Table 6.

Colour of the M. musculus liver on day 15 (D15), which previously, on D1-7, received daily 250 mg/kg bw PC (A1), on D1-7 received daily 250 mg/kg bw PC and on D 8-14 were given daily 220 mg/kg bw E2TL (A2), while the controls received only the solvent in the same manner (A0).

Group of experimental animals	N (%)	Colour of the liver of M. musculus (%) on D15
		Brown red	Ruby red	Oxcide red	Coral red
A0: Control, normal.	15 (100)	8 (53.33)	5 (33.33)	2 (13.34)	0 (0)
A1: 250 mg/kg bw PC.	13 (100)	5 (38.46)	0 (0)	0 (0)	8 (61.54)
A2: 250 mg/kg bw PC, 220 mg/kg bw E2TL	14 (100)	7 (50.0)	1 (7.14)	0 (0)	6 (42.86)

Note: PC=Paracetamo; E2TL = ethanolic extract of Tylophora villosa leaves. ${\chi }^2$ = 18.65; There are significant differences in color of the liver on A0, A1, and A2 (p < 0.05).