Groups NADPH oxidase(×103/μmol NADPH/min/mg)
Control 2.040±0.421
Rapid pacing atrial 63.422±5.180*
Apocynin 12.450±0.882*#
Resveratrol 17.460±1.801*#
*P<0.05, compared with control group; # P<0.05, compared with rapid pacing group
Table 2: The activities of NADPH oxidase in different groups (means ± SD, n = 6)