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Additional file 1. Time-dependent receiver operating characteristic (ROC) curve of the cachexia index (CXI) for prediction of (A) 18-month overall survival in limited-stage disease (LD) and (B) 10-month overall survival in extensive-stage disease (ED). Circles indicate CXIs of (A) 5.82 in LD and (B) 3.83 in ED. These cutoffs were determined by maximizing the Youden index.

To date, there have been few studies on dietary supplement (DS) use in Korean children and adolescents, using nationally representative data. This study aimed to investigate the current status of DS use and its related factors, among Korean children and adolescents from the Korean National Health and Nutrition Examination Survey (KNHANES) data.A cross-sectional study.Data from the KNHANES 2015-2017. Participants completed 24-h dietary recall interviews, including DS products that the subjects consumed.The study population was 4380 children and adolescents aged 1-18 years.Approximately 20.3 % of children and adolescents were using DS; the highest use was among children aged 1–3 years old, and the lowest use was among adolescents aged 16–18 years. The most frequently used DS was prebiotics/probiotics, followed by multivitamin/mineral supplements. Factors that were associated with DS use were lower birth weight in children aged4 years; younger age, higher household income, regular breakfast intake and lower BMI in children aged 4-9 years; and regular breakfast intake and use of nutrition facts label in adolescents aged 10-18 years. Feeding patterns in infancy and having chronic diseases were not associated with DS use.We report that over 20 % of children and adolescents use DS. Nutritional education for parents and children about proper DS consumption is needed.

To date, there has been no report on duodenal intramural hematoma following transcatheter arterial embolization in bleeding duodenal ulcer refractory to endoscopic hemostasis. We experienced a case of obstructive cholangitis and pancreatitis secondary to duodenal intramural hematoma associated with transcatheter arterial embolization, following endoscopic hemostatic procedures for a bleeding duodenal ulcer in a patient with cirrhosis. The patient was successfully treated with percutaneous transhepatic biliary drainage. We suggest that transcatheter arterial embolization can be a cause of duodenal intramural hematoma, and that percutaneous transhepatic biliary drainage, rather than surgical intervention, can be useful in the treatment of biliary or pancreatic obstruction secondary to duodenal intramural hematoma, especially in patients with bleeding diathesis.

A high-performance liquid chromatography assay method for oxolinic acid in fish products was developed, evaluated and validated through the monitoring of oxolinic acid based on farming and distribution. The recovery rate of the developed method was as compared to conventional methods. The stock solution was stable for 3 weeks under refrigerated condition at The performance limit was evaluated as 0.01ppm of oxolinic acid in fish muscle. 478 fish samples such as olive flounder, genuine porgy, common sea bass and black rock fish collected from fish farms in the coastal area from September 2001 to October 2004 were analyzed to evaluate overall efficiency of the modified method and to monitor the actual condition of oxolinic acid usage in fish farm. According to the monitoring results, the modified method was suitable for analysis of oxolinic acid in fish muscle and oxolinic acid might be used in a small portion of fish farms. The suggested analysis method of oxolinic acid was registered in the Korean Official Methods of Food Analysis and is being utilized for fishery products by the Korea Food and Drug Adminstration and the National Fisheries Products Quality Inspection Service.

An analysis method of tetracyclines far fish and shellfish products containing large amount of low molecular materials and pigments was established. The recovery of the established analysis method for four tetracycline samples was and higher than other methods reported. Especially, proposed sample treatment protocol was shown to be effective for the removal of low molecular materials and pigments that tend to interfere with accurate analysis. The detection limit of oxytetracycline (OTC) and tetracycline (TC) from the sample was 0.02 ppm, and the detection limit of chlortetracycline (CTC) and doxycycline (DC) from the sample was 0.1ppm, To examine the efficiency of the established method and identify tetracycline usage in fish farms, tetracycline group antibiotics in the flounder being cultured was monitored. The improved method can be used for fish and shellfish products effectively and all surveyed fish farms have used tetracycline all the year round. The proposed method was adopted as official method for fishery products by Korean Food and Drug Administration in 2003 and it is being used by regulatory authority as National Fishery Products Quality Inspection Service.