Chronic hepatitis B is associated with important morbidity and mortality. Inflammation has a pivotal role in hepatic fibrosis of this population. Hemogram-derived inflammatory predictors, such as mean platelet volume (MPV) and platelet to lymphocyte ratio (PLR), are supposed as inflammatory markers in various diseases. We aimed to compare MPV and PLR of the patients with chronic hepatitis B to those of healthy controls and to observe possible correlation between these markers and fibrosis.
Chronic hepatitis B patients that visited our outpatient gastroenterology clinics were enrolled in the study. Healthy volunteers were enrolled as controls. MPV, PLR and other parameters of the study groups were compared.
Median MPV of the mild fibrosis, advanced fibrosis control groups were 8.1 (6.6-13) fL, 8.2 (6.3-14.5) fL and 7.2 (4.6-8.9) fL, respectively (P < 0.001). Median PLR of the mild fibrosis, advanced fibrosis control groups were 99.5 (36-259) %, 119 (61-1547) % and 122 (64-197) %, respectively (P = 0.02). PLR was correlated with the ISHAK score (r = 0.32, P = 0.002). A MPV value greater than 7.52 fL have 80% sensitivity and 56% specificity in determining advanced fibrosis (AUC: 0.68, P = 0.002, 95% confidence interval, 0.58-0.77).
We think that increased MPV and decreased PLR are characteristics of chronic hepatitis B disease. Moreover, increased MPV could predict advanced fibrosis in this population.

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