• Meina Zheng, Yanzhen Chen, Chengliang Chen, Nandhini Gopal, and Jian Jiao.
• Department of Gastroenterolgy and Hepatology,China-Japan Union Hospital, Jilin University, Changchun, China.
• Postgrad Med. 2021 Apr 1; 133 (3): 299-306.

ObjectiveThis study aimed to analyze the characteristics of platelet-associated parameters in nonalcoholic fatty liver disease (NAFLD) patients with varying degrees of disease severity and investigate the sexual dimorphism of platelet features in NAFLD patients.MethodsA total of 829 NAFLD patients were divided into separate groups based on body mass index (BMI), liver stiffness measurement (LSM), controlled attenuation parameter (CAP), and alanine aminotransferase (ALT) levels. The platelet count (PC), mean platelet volume (MPV), and platelet distribution width (PDW) parameters were analyzed among different groups, and the sex-based differences were compared.ResultsThe PC decreased with age in both sexes; in 30-59-year-old female subjects, the PC decreased by a conspicuous margin. The MPV increased with age in females, but not in males. The PDW increased significantly in females aged 30-59 years. With the increase in BMI and CAP, the PC showed a decreasing trend. The MPV increased with the increasing CAP value in male patients. With the increasing LSM value, the PC displayed a decreasing trend.ConclusionThe PC showed marked sex-based differences in NAFLD patients and is affected by age and BMI. Regular changes of platelet parameters could be found in patients with varying degrees of NAFLD. These changes might be helpful in assessing the severity of NAFLD.

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