GPT and hepatitis B virus infection: The distribution pattern of serum 25(OH)D3 level in CHB patients was not significantly correlated with patient age (r = −0.164, P = 0.064), gender (P = 0.116), BMI (r = −0.009, P = 0.919), family history of hepatitis B (P = 0.594), or serum ALT levels (r = −0.150, P = 0.091) either (Fig. 3).