Table 1.

Mean values of serum nitrate level in chronic liver disease patients in comparison with control

Group	Number	Mean nitrate ± SD	t	P
Control	15	34.44 ± 3.17
CAH	20	34.15 ± 1.39	0.37	0.7119
Child’s A	25	35.74 ± 12.18	0.40	0.6890
Child’s B	30	57.05 ± 22.01	3.94	<0.01*
Child’s C	30	89.25 ± 22.21	9.46	<0.001*

CAH = Chronic active hepatitis, * highly significant result