Table 3.

Serum total and direct bilirubin levels before and after 4 wk of daily resveratrol administration (1 g QD)

Serum bilirubinPrePostPost- to pre-intervention ratioP*
Total bilirubin (mg/dL)0.50 ± 0.04 (n = 40)0.50 ± 0.04 (n = 40)0.99 (0.91-1.08)0.90
Direct bilirubin (mg/dL)0.13 ± 0.01 (n = 40)0.12 ± 0.01 (n = 40)0.93 (0.83-1.04)0.27
  • *Paired t test on log-transformed measurements.

  • Geometric mean ± SE; SE was derived from a delta method.

  • Geometric mean ratio (90% CI).