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Background Endometrial cancer (EC) has a high latency, making prognosis difficult to predict. Cancer antigen 125 (CA125) is not specific as a tumour marker for EC; however, complete blood count (CBC) inflammatory markers are associated with prognosis in various malignancies. Thus, this study investigated the value of CBC inflammatory markers combined with CA125 levels in predicting the prognosis of patients with EC.Methods In this study, 517 patients with EC were recruited between January 2015 and January 2022, and clinical characteristics, CBC inflammatory markers, and CA125 levels were assessed. Differences in each index at different EC stages and the correlation between the index and EC stage were analysed, and the influence of the index on EC prognosis was evaluated.Results Platelet distribution width (PDW) levels were significantly lower in patients with advanced EC than in those with early EC, whereas the systemic immune-inflammation index (SII), neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), platelet-to-lymphocyte ratio (PLR), and CA125 levels were significantly higher in patients with advanced EC (all P

Background: This study intended to investigate the correlation between insulin resistance (IR) and coagulation parameters in women with polycystic ovary syndrome (PCOS) and their effects on infertility. Methods: We retrospectively included 380 PCOS patients and 143 healthy controls between January 2018 and January 2021. Clinical data, including age; body mass index; white blood cell (WBC), neutrophil (NE), lymphocyte (Lym), and platelet (PLT) counts; and D-dimer, plasma sex hormone, fasting blood sugar, and fasting insulin levels, were collected. The relationship between these markers and PCOS was assessed. Results: Elevated homeostatic model assessment of insulin resistance score was independently related to infertility in women with PCOS (odds ratio [OR] = 1.825, 95% confidence interval [CI]: 1.091–3.055, p = 0.022). WBC (7.29 [5.99–8.59] vs. 6.25 [5.33–7.40], p < 0.001), NE (3.91 [3.22–4.98] vs. 3.36 [2.62–4.51], p = 0.001), PLT (276 [244.5–317.5] vs. 251.5 [219.25–281.5], p < 0.001), and Lym (2.51 [2.02–3.11] vs. 2.08 [1.85–2.53], p < 0.001) counts, and D-dimer levels (0.22 [0.15–0.42] vs. 0.20 [0.12–0.31], p = 0.023) in the serum were markedly higher in PCOS patients with IR. Furthermore, multivariate logistic regression analysis revealed that increased serum PLT count (OR = 3.066, 95% CI: 1.052–8.939, p = 0.040) and BMI (OR = 5.06, 95% CI: 1.166–21.963, p = 0.030) were independently correlated with the risk of IR in PCOS patients. Moreover, increased PLT count was independently related to infertility (OR = 3.380, 95% CI: 1.272‒8.982, p = 0.015). Conclusions: Elevated PLT count serve as an independent responsible role for infertility in PCOS women with IR, which indicate that PLT count might be a potential predictive marker for infertility in PCOS women with IR.