Table 2.

Effect of sildenafil against carbon tetrachloride (CCl₄) on liver function test in various gatherings of the experiment after 4 weeks of treatment (mean ± standard deviation), (n = 10).

	Control	Sildenafil	CCl4	Sildenafil+CCl4
ALT (U/L)	27.469 ± 3.322c	27.697 ± 3.836c	70.172 ± 5.416a	37.316 ± 3.704b
AST (U/L)	76.892 ± 4.691c	77.424 ± 4.519c	159.701 ± 4.954a	108.549 ± 7.451b
GGT (U/L)	1.607 ± 0.597c	1.964 ± 0.329c	8.855 ± 0.999a	3.221 ± 0.837b

Means with different superscripts in the same row are significantly different at P < 0.05.