Table 1.

Comparison of the mean and SD of liver enzymes on the first day

Variable group	Silymarin mean±SD	Placebo mean±SD	P
ALT	409.93±80.83	383.37±45.88	0.849
AST	478.8±113.1	404.28±58.45	0.696
CPK	1312.45±342.07	1760.82±277.78	0.497

SD=Standard deviation, ALT=Alanine transaminase, AST=Aspartate aminotransferase, CPK=Creatine phosphokinase