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Background: The coronavirus disease known as COVID-19 (2019) pandemic may increase the likelihood of psychological symptoms that can reach the level of psychiatric disorders. Aim: We aimed to study psychiatric morbidity in patients with COVID-19 concerning gender differences and disease severity in the acute phase of infection and after 6 months. Methods: This is a multicenter follow-up study registered in ClinicalTrials.gov (NCT04459403). Patients were recruited consecutively from three quarantine hospitals in Egypt. Data were collected through a questionnaire built using Google Forms including the Arabic versions of General Health Questionnaire (GHQ-12), Beck Depression Inventory (BDI), and Taylor Manifest Anxiety Scale (TMAS). Depression, anxiety, and post-traumatic stress disorder (PTSD) symptoms were assessed after 6 months. Results: The study questionnaire was offered to 400 patients and 199 patients agreed to fill it. BDI and TAMS were higher in mild than moderate and severe COVID-19 (14, 8, 8, P-value = 0.009, 17, 13.5, 14, P-value = 0.04, respectively). Females showed a higher prevalence of depression, anxiety, sleep problems, and insomnia due to anxiety than males. Education level, marital status, previous psychiatric illness, and severity of COVID-19 independently affected depression. Marital status, family history of psychiatric illness, and chronic medical illness independently affected anxiety. On 6-month follow-up, BDI significantly decreased in males but not females. TMAS showed no significant changes, but the severity of anxiety was still higher in females. PTSD was more frequent in females (26 (37.1%) versus 4 (9.5%), respectively, P-value = 0.02). Conclusion: The prevalence and severity of depression and anxiety were higher in females than male participants, suggesting that females are more affected by the COVID-19 pandemic. [ABSTRACT FROM AUTHOR]

Studies have shown that COVID-19 patients experience high levels of anxiety, depression, and stress during the pandemic. Patients adopt different coping strategies to reduce their psychological distress To compare the immediate and long-term psychological impact of COVID-19 disease on patients with and without chronic medical illnesses (CMI) and identify coping styles of both groups during the peak of COVID-19 disease in Egypt. This is a cohort follow-up study, that included an online survey consisting of General Health Questionnaire-12, Taylor Manifest Anxiety Scale, Beck Depression Inventory and Brief-COPE scale. The Post-Traumatic Stress Disorder (PTSD) Checklist was completed after 6 months. Questionnaires were distributed to adult patients with a confirmed diagnosis of SARS-CoV-2 virus infection during their quarantine in Egypt. There was no significant difference between the two groups regarding anxiety and depression during the acute infection. Patients without CMI relied significantly on the use of informational support to cope with COVID-19 disease. Patients with CMI continued to show significant depressive symptoms after 6 months without significant PTSD symptoms. COVID-19 has similar immediate psychological impact on patients with and without CMI. However, patients with CMI continue to show depression on long-term follow-up. [ABSTRACT FROM AUTHOR]

Aim: This study aimed to evaluate the rate of hepatic decompensation and de novo HCC and identify their independent factors in HCV genotype 4-infected patients with compensated liver cirrhosis following successful direct-acting antiviral (DAA) therapy. Methods: This prospective cohort study included 1789 patients with HCV genotype 4-related compensated liver cirrhosis who achieved viral eradication after DAAs. Baseline and follow-up clinical, laboratory, albumin-bilirubin score (ALBI), and abdominal ultrasound were recorded to detect hepatic decompensation and de novo HCC. Logistic regression was performed to evaluate the variables associated with decompensation and HCC. Results: During the 24-month period of follow-up, 184 (10.28%) patients developed hepatic decompensation. Ascites was the commonest presentation. Baseline serum albumin, bilirubin, and platelet count were the independent factors associated with hepatic decompensation (P-values 0.022, 0.03, and < 0.001, respectively). A formula was developed for the prediction of decompensation using these 3 factors (AUC: 0.641 at cutoff 0.1098969 with a sensitivity of 59.9% and specificity of 61.7%). Pre-treatment ALBI score could predict decompensation at cutoff value − 2.5184, AUC 0.609, sensitivity 58.3%, and specificity 59.7%. Post-treatment ALBI score could predict hepatic decompensation after DAA therapy at cutoff value − 2.9521, AUC 0.597, sensitivity 48.1%, and specificity 75.5%. Sixteen (0.9%) patients developed de novo HCC. Age (odds ratio: 1.061, 95%, confidence interval: 1–1.126) and male gender (OR 3.450, 95% CI 1.105–10.769) were the independent factors associated with the development of de novo HCC but not the ALBI score. Conclusion: Baseline demographic and laboratory data could predict hepatic decompensation and HCC in patients with compensated liver cirrhosis after successful DAA therapy [ABSTRACT FROM AUTHOR]

Background: Direct-acting antiviral (DAAs) therapy showed high safety and efficacy profile in patients with chronic hepatitis C (CHC) particularly those with previous or current psychiatric illness. The aim of this study was to evaluate the incidence and potential risk factors of depression and psychological distress following DAAs therapy in CHC euthymic Egyptian patients with no previous or current diagnosis of any psychiatric disorders.Methods: This is a prospective study that included 126 patients diagnosed with chronic hepatitis C virus genotype-4. Patients were candidate for DAAs therapy and were recruited consecutively (convenient sample) from the viral hepatitis center, Department of Endemic medicine, Kasr Al-Ainy Hospitals, Cairo University. Symptom Checklist 90-R, Beck Depression Inventory (BDI) and Structured Clinical Interview for DSM-IV (SCID IV) were performed at baseline and at 12 weeks post-treatment with DAAs.Results: Forty-seven patients were included in the final analysis. Depression severity increased after treatment as BDI scores increased significantly than baseline scores (p= < 0.001). About one third of patients (32%) had moderate to severe depression. All Symptom Checklist-90 scores showed significant increase after treatment.Limitations: Dropout rate of patients for the 12 weeks post-treatment assessment was 33.8%.Conclusion: Depression and psychological distress can occur with DAAs treatments. Close psychosocial assessment and patient monitoring are still needed. [ABSTRACT FROM AUTHOR]

Background: 12-week sofosbuvir/ledipasvir combination is approved for the treatment of HCV genotype 4. Objectives: The study aimed to evaluate the safety and efficacy of generic sofosbuvir/ledipasvir for 8 and 12 weeks in easy to treat patients infected with the hepatitis C virus (HCV) genotype 4. Methods: In this prospective randomized study, 40 naïve non-cirrhotic easy to treat patients were randomized to receive 8 or 12 weeks (groups 1 and 2, respectively) of generic ledipasvir/sofosbuvir (MPIviropack-Plus provided by Marcyrl Pharmaceutical Industries). A simple randomization was done using computer-generated random numbers by Microsoft Excel. The primary endpoint was the sustained virological response 12 weeks post-treatment (SVR12). Results: There was no significant difference between the two groups of 8 and 12 weeks of therapy in pre-treatment demographics, laboratory parameters, and viral load. A more significant reduction in liver enzymes was noticed in group 2. No adverse events were recorded. SVR12 was 100% with 8 weeks of generic sofosbuvir/ledipasvir and 95% with 12 weeks of the same regimen. Conclusions: Generic sofosbuvir/ledipasvir for 8 weeks is highly effective with a high rate of SVR12 among naïve non-cirrhotic easy to treat patients with HCV genotype 4 infection. No additional benefit was associated with the extension of the treatment duration to 12 weeks. [ABSTRACT FROM AUTHOR]

Background: Cytomegalovirus (CMV) infection among pregnant females could induce CMV hepatitis with possible changes in liver stiffness measurement (LSM) which could be reversibly increased during normal pregnancies, particularly in the third trimester. This study aimed to detect the prevalence of CMV infection among pregnant females with and without chronic liver disease and to evaluate the effects of CMV infection on LSM and pregnancy outcomes in comparison to non-CMV-infected pregnant females. Methods: This is an observational prospective study that included 201 pregnant ladies presented to the liver disease with pregnancy clinic, Cairo University from March 2018 to April 2019. We assessed the laboratory results, abdominal ultrasonography, LSM using ARFI elastography, and pregnancy outcomes. Results: Two hundred and one pregnant ladies were divided into ; group 1: pregnant ladies with normal pregnancy (n = 128), group 2: pregnant ladies with chronic liver diseases not related to pregnancy (n = 35), and group 3: pregnant ladies with pregnancy-related liver diseases (n = 38). Positive CMV serology (either/or, +ve CMV-IgM, IgG) was detected in 106/201 patients (52.74%), and fifteen of them had an active infection (IgG +, IgM+, PCR+). Pregnant females with chronic liver diseases not related to pregnancy had significantly higher serum levels of CMV IgM, IgG, and PCR. Moreover, LSM had a significant correlation with CMV IgG and CM_PCR in normal pregnant ladies. Maternal mortality occurred only in pregnant females with chronic liver diseases in 5.7% (2/35). Conclusion: Maternal CMV infection carries a significant risk to pregnant females with chronic liver disease. Routine CMV screening for women planning to be pregnant, especially those with chronic liver disease could help to avoid bad maternal and fetal outcomes. [ABSTRACT FROM AUTHOR]

Introduction: Radiofrequency ablation (RFA) and microwave ablation (MWA) are widely accepted as the established treatment options for patients diagnosed with early-stage hepatocellular carcinoma (HCC) who are deemed unfit for surgical procedures. However, the effective implementation of these techniques is hindered by various challenges, primarily associated with the precise targeting of tumors within the liver. The utilization of thermal ablative methods is not recommended for hepatocellular carcinoma (HCC) that is located near intestinal loops, bile ducts, or in eccentric positions. The unmet need for non-thermal methods in the treatment of hepatocellular carcinoma (HCC) was addressed following the introduction of irreversible electroporation (IRE) as an innovative approach. Aim of the work: To assess the efficacy, safety, and outcomes of IRE in the treatment of difficult-located HCC compared to transarterial chemoembolization (TACE). Methods: This is a prospective study that included 24 patients with HCC who presented to the National Hepatology and Tropical Medicine Research Institute (NHTMRI) during the period from January 2017 to January 2020. Ten patients underwent IRE, while 14 patients underwent TACE. Results: Sixteen patients (66.7%) were males; eight patients were females (33.3%). Their median age was 60.5 years (48–70 years). Seventeen patients (70.8%) were Child–Pugh class A, while seven patients (29.2%) were Child–Pugh class B. All the study population had a single focal lesion; the mean size of the focal lesions was 2.94 ± 0.59 cm. The most frequent difficult locations of HCC were segment V focal lesions adjacent to both the common bile duct and portal vein in eight patients (33.3%) followed by lesions adjacent to the inferior vena cava in five patients (20%) followed by the subcapsular lesions in three patients (12.5%) and lesions adjacent to the right kidney in two patients (8.3%). Complete response (CR) was higher in the IRE group (80%) compared to the TACE group (50%). Clinical decompensation occurred in six patients in the IRE group (60%) and eight patients in the TACE group (57.1%) (P value 1). Recurrence occurred in five patients (50%) treated with IRE and in seven patients (50%) treated with TACE (P value 1). Within the IRE group, two patients (20%) remained alive; on the other hand, within the TACE group six patients (42.9%) remained alive by the end of the study (P value 0.388). Conclusion: Our data suggest that IRE is an effective procedure in the treatment of difficult-located HCC in terms of complete response, fewer sessions, and fewer side effects as compared to TACE. [ABSTRACT FROM AUTHOR]

Introduction: Interleukin-18 (IL-18) is a pro-inflammatory cytokine that is induced by hepatitis C virus (HCV) infection. Inter-individual variations of IL-18 gene expression may alter HCV-associated liver injury. Variable single nucleotide polymorphisms (SNPs) have been detected within IL-18 gene sequence. Quantitative assessment of IL-18 plasma level and detection of genotype frequencies of 2 functional polymorphisms of its gene (-607 C/A and -137 G/C) were done to assess their impact on the severity of chronic hepatitis C (CHC). Methodology: Cases group (I) comprised 110 treatment naïve CHC Egyptian patients (78 Males and 32 Females, mean age = 40.7 ± 11.8 years) who underwent routine laboratory investigations. Assessment of plasma level of IL-18 was done by enzyme-linked immunosorbent assay (ELISA), detection of IL-18 gene polymorphisms at positions -607 C/A and -137 G/C by polymerase chain reaction sequence specific polymorphism (PCR-SSP) analysis and Liver biopsy with METAVIR scoring were done. The control group (II) comprised 90 healthy participants. Results: Plasma levels of IL-18 were significantly higher in cases than the control group. We found a statistically highly significant (p < 0.001) positive correlation between IL-18 plasma level and both METAVIR necro-inflammatory grade and fibrosis stage. The A/A allele at -607 position was significantly more frequent (p < 0.05) in patients with F ≤ 1. Conclusions: Higher IL-18 plasma levels are found in CHC patients and positively correlate with the severity of liver disease. The presence of A/A allele at -607 position of IL-18 gene promoter is associated with milder liver disease. [ABSTRACT FROM AUTHOR]

Background: Hepatocellular carcinoma (HCC) is one of the main cancers in the world with a high mortality rate. The molecular mechanisms of HCC are poorly understood. Long non-coding RNAs (lncRNAs) have a role in HCC pathogenesis. Glypican3 (GPC3) is a cell surface oncofetal proteoglycan that is expressed in HCC, and its overexpression predicts a poorer prognosis. We aimed to assess the levels of alfa fetoprotein (AFP), lncRNA AF085935 gene expression, and GPC3 protein in HCC patients. Patients and methods: The patients were classified into three groups: HCC group, cirrhotic group, and healthy control group. For all groups, we performed clinical examinations, laboratory investigations, and imaging. The levels of AFP, GPC3 protein, and LncRNA gene expression were estimated. A statistical analysis was done. Results: Levels of GPC3 and LncRNA gene expression were significantly higher in the HCC group versus other groups. LncRNA gene and GPC3 levels are excellent for the detection of HCC with a sensitivity of 96% and 87%, respectively. Specificity was 81% and 64%, respectively. Linear regression analysis showed that LncRNA gene expression and GPC3 protein are significant predictors for HCC (p = 0 and p = 0.001, respectively). Log rank analysis based on GPC3 and LncRNA gene expression levels in HCC patients showed that high expression of GPC3 and LncRNA is associated with shorter overall survival than those with low expressions (p value < 0.001). Conclusion: In our study, LncRNA gene expression and GPC3 levels are good diagnostic and prognostic biomarkers for HCC patients. [ABSTRACT FROM AUTHOR]

Background: Genetic variants of Patatin-like phospholipase domain-containing protein 3 (PNPLA3) and transmembrane 6 superfamily member 2 (TM6SF2) genes have been reported with the development of hepatocellular carcinoma (HCC). This study aims to explore the role of The PNPLA3 rs738409 and TM6SF2 rs58542926 single-nucleotide polymorphisms (SNPs) on the incidence and survival of HCV-induced HCC in Egyptians. Methods and results: This case-control study included (120) HCC and (144) hepatitis C virus (HCV) patients. Baseline clinical, laboratory, tumor characteristics data, HCC recurrence, and overall survival were collected. PNPLA3 rs738409 and TM6SF2 rs58542926 polymorphism were detected by TaqMan allelic discrimination assay. We found that HCC patients were significantly older with male predominance. A significant difference between the TT genotypes of TM6SF2 frequency was observed in HCC compared with HCV patients. Moreover, the T allele of TM6SF2 distributions revealed a significant contribution to the different stages of HCC (p=0.03). Both PNPLA3 rs738409 and TM6SF2 rs58542926 variants showed a significant relation with treatment response according to the modified RECIST criteria. Age and diabetes mellitus were the independent factors associated with the development of HCC by multivariate regression analysis. Conclusions: TM6SF2 rs58542926 polymorphism, not PNPLA3 rs738409, could be implicated in the development of HCV-induced HCC and its progression. [ABSTRACT FROM AUTHOR]

Introduction: Liver resection and local ablation are the two primary curative treatments for early-stage hepatocellular carcinoma (HCC). Microwave ablation (MWA) shows promising performance in terms of early tumor response, recurrence, and survival. This study aims to determine whether MWA would be comparable to liver resection in treating early-stage HCC. Methods: This study included patients with hepatitis C-related HCC attending the multidisciplinary HCC clinic, Kasr Al-Ainy Hospital (March 2018 to September 2020). We included adults with early-stage HCC (BCLC stages 0-A). We studied patients and tumor characteristics, HCC treatment response, recurrence, and overall survival. Results: Thirty-one patients were treated with liver resection and 41 patients were treated with MWA, including 4 patients who received intraoperative MWA. By the end of the study, 21 patients (28.77%) died. Patients who underwent MWA were younger compared to the hepatectomy group with lower baseline AFP (21 (6.7–54) versus 77 (31.3–136.0), respectively, (P value 0.024) and tumor size (2.78 (0.87) cm versus 3.77 (0.97) cm, respectively, (P value < 0.001). We found no differences between the studied groups in terms of treatment response, post-treatment decompensation, recurrence, or overall survival. One-year survival probability in the MWA and resection groups was 75.5% and 76.3% respectively. Post-procedure hepatic decompensation was the only independent predictor of lower survival by multivariate logistic regression analysis (OR 37.74, 95%CI 6.251–227.87, P value < 0.001) after adjusting for age, AFP, and tumor size. Conclusion: Liver resection and MWA showed similar satisfactory results in the treatment of early-stage HCC, in terms of treatment response, recurrence, and overall survival. [ABSTRACT FROM AUTHOR]

We aimed to assess the epidemiological, clinical, and laboratory characteristics associated with mortality among hospitalized Egyptian patients with COVID-19. A multicenter, retrospective study was conducted on all polymerase chain reaction (PCR)-confirmed COVID-19 cases admitted through the period from April to July 2020. A generalized linear model was reconstructed with covariates based on predictor's statistical significance and clinically relevance. The odds ratio (OR) was calculated by using stepwise logistic regression modeling. A total of 3712 hospitalized patients were included; of them, 900 deaths were recorded (24.2%). Compared to survived patients, non-survived patients were more likely to be older than 60 years (65.7%), males (53.6%) diabetic (37.6%), hypertensive (37.2%), and had chronic renal insufficiency (9%). Non-survived patients were less likely to receive azithromycin (p <0.001), anticoagulants (p <0.001), and steroids (p <0.001). We found that age ≥ 60 years old (OR = 2.82, 95% CI 2.05–3.86; p <0.0001), diabetes mellitus (OR = 1.58, 95% CI 1.14–2.19; p = 0.006), hypertension (OR = 1.69, 95% CI 1.22–2.36; p = 0.002), chronic renal insufficiency (OR = 3.15, 95% CI 1.84–5.38; p <0.0001), tachycardia (OR = 1.65, 95% CI 1.22–2.23; p <0.001), hypoxemia (OR = 5.69, 95% CI 4.05–7.98; p <0.0001), GCS <13 (OR 515.2, 95% CI 148.5–1786.9; p <0.0001), the use of therapeutic dose of anticoagulation (OR = 0.4, 95% CI 0.22–0.74, p = 0.003) and azithromycin (OR = 0.16, 95% CI 0.09–0.26; p <0.0001) were independent negative predictors of mortality. In conclusion, age >60 years, comorbidities, tachycardia, hypoxemia, and altered consciousness level are independent predictors of mortality among Egyptian hospitalized patients with COVID-19. On the other hand, the use of anticoagulants and azithromycin is associated with reduced mortality. [ABSTRACT FROM AUTHOR]

Introduction: Several micro ribonucleic acids (miRNAs) are deregulated in hepatocellular carcinoma (HCC). Others are linked to clinical pathological features of HCC. The goal of this study was to investigate whether miRNA-21 and miRNA-215 gene expression could be used as a non-invasive diagnostic tool to diagnose HCC. Methodology: The gene expression of mature miRNA -21 and miRNA -215 in serum was analysed retrospectively using singleplex TaqMan two-step stem-loop quantitative real-time reverse-transcription PCR in 40 patients with HCC, 40 with chronic hepatitis C virus (HCV) with cirrhosis and 40 apparently healthy controls. Results: Expression of miRNA -21 was significantly more down regulated in patients with HCC than in those with non-cirrhotic HCV (P = 0.007; odds ratio= 5; 95% confidence interval 1.6-15.4). The receiver operating curve analysis of the ability of miRNA-21 expression to discriminate between HCC and non-cirrhotic HCV revealed an area under the curve of 0.712 with 70% sensitivity and 68% specificity at a cutoff of = 1.4468. Thus, the expression level of miRNA -21 could discriminate HCC from non-cirrhotic HCV. Significant positive correlation was observed between expression levels of microRNA-21 and miRNA -215 (r = 0.783, p < 0.001), but no association was observed between expression level of miR-215 and HCC or chronic HCV (p = 0.474). Conclusions: MiRNA-21 may be a useful, non-invasive tool for diagnosing HCC. Non-cirrhotic HCV patients have five times the risk of developing HCC when the miRNA -21 level = 1.4468. [ABSTRACT FROM AUTHOR]

Objective. Limited therapies are offered for large hepatocellular carcinoma (HCC). It carries dismal prognosis and efforts tried changing its management from a palliative to a curative mode. Transarterial chemoembolization (TACE) is a palliative procedure that may have survival benefit if compared to non-management of large lesions. Microwave ablation (MWA) has emerged as a relatively new technique with promise of larger and faster ablation. We aim to evaluate the efficacy and safety of percutaneous MWA versus TACE for large tumors (5-7 cm) and to assess their effects on local tumor progression and survival. Patients and methods. Sixty-four patients with large lesions are managed in our multidisciplinary HCC clinic and were divided into two groups treated either by MWA or TACE. Complete response rate, local recurrence, de novo lesions, and overall survival analysis are compared between both procedures. Results. Both groups were comparable as regards the demographic and ultrasonographic features. MWA showed higher rates of complete ablation (75%) with fewer sessions, lower incidence of tumor recurrence ( p = 0.02), development of de novo lesions ( p = 0.03), occurrence of post-treatment ascites ( p = 0.003), and higher survival rates ( p = 0.04). The mean survival of the microwave group was 21.7 months with actuarial probability of survival at 12 and 18 months 78.2% and 68.4%, respectively. The mean survival of the TACE group was 13.7 months with actuarial probability of survival at 12 and 18 months being 52.4% and 28.6%, respectively. Conclusion. MWA showed better results than TACE in the management of large HCC lesions. [ABSTRACT FROM AUTHOR]

Complex diseases such as fibrosis are likely polygenic. Lately, cirrhosis risk score (CRS) clearly discriminated Chronic HCV patients with high-risk versus those with low-risk for cirrhosis better than clinical factors. Herein, the CRS was assessed via genotyping by allelic discrimination assays in 243 HCV Egyptian patients categorized into 164 patients didn't develop HCC (93 mild, 71 advanced fibrosis); and 79 patients developed HCC. APRI and FIB-4 scores were calculated, compared with CRS and correlated with degree of fibrosis progression. Median of the three CRS, APRI and FIB-4 scores were significantly elevated in late fibrotic and HCC patients (p < 0.001); however CRS displayed proper discrimination (mild fibrosis (0.59; 0.4–0.75), advanced fibrosis (0.75; 0.7–0.86) and HCC (0.73; 0.57–0.77); (p < 0.001)). The ROC analysis of CRS score displayed modest accuracy to discriminate between mild and advanced fibrotic patient; AUC was 0.73; p < 0.0001), while AUC was only 0.57 (p = 0.05) for the discrimination between HCC and no HCC. Moreover, the combination of CRS, APRI and FIB4 lessened the power of correlation (AUC, 0.63 (p < 0.0001)) in fibrosis prognosis. In HCC prognosis, the combination of CRS, APRI and FIB4 in HCC patients showed modest accuracy with AUC, 0.59 (p = 0.0001). The diagnostic accuracy of FIB-4 for predicting liver fibrosis was nearly identical to that of CRS, however the strength of CRS score stemmed from that it is built on 7 SNPs host genetic factor. Our study validates non invasive algorithms for fibrosis prognosis purposes which may aid in decision making for therapeutic intervention. • Liver fibrosis is significantly depending on host genetic factors. • The CRS signature consisted of single nucleotide polymorphisms in seven different genes. • The validity and potential clinical applicability of the CRS are validated in an Egyptian cohort. • The results revealed that the CRS remains a prognostic marker in patients with CHC and HCC. [ABSTRACT FROM AUTHOR]

• Machine-learning techniques can estimate HCC development risk with very high accuracy. • Independent factors building the models: age, AFP, ALP, albumin, and total bilirubin. • Multi-linear regression, AD Tree, REP-Tree, the CART algorithm were compared. • Alternating Decision tree showed the best accuracy: 95.6% and AUC: 99.0%. Considered as one of the most recurrent types of liver malignancy, Hepatocellular Carcinoma (HCC) needs to be assessed in a non-invasive way. The objective of the current study is to develop prediction models for Chronic Hepatitis C (CHC)-related HCC using machine learning techniques. A dataset, for 4423 CHC patients, was investigated to identify the significant parameters for predicting HCC presence. In this study, several machine learning techniques (Classification and regression tree, alternating decision tree, reduce pruning error tree and linear regression algorithm) were used to build HCC classification models for prediction of HCC presence. Age, alpha-fetoprotein (AFP), alkaline phosphate (ALP), albumin, and total bilirubin attributes were statistically found to be associated with HCC presence. Several HCC classification models were constructed using several machine learning algorithms. The proposed HCC classification models provide adequate area under the receiver operating characteristic curve (AUROC) and high accuracy of HCC diagnosis. AUROC ranges between 95.5% and 99%, plus overall accuracy between 93.2% and 95.6%. Models with simplistic factors have the power to predict the existence of HCC with outstanding performance. [ABSTRACT FROM AUTHOR]