Table 4.

The effect of Urtica simensis on ulcer score and ulcer index in pylorus-ligated rats.

Class	Treatment	Dose	US	% change US	UI	% change UI
I	Distilled H2O	10 ml/kg	81.75 ± 4.36	0.00	23.58 ± 0.68	0.00
II	Omeprazole	20 mg/kg	7.08 ± 2.39w3	91.34	7.71 ± 2.44w3	67.30
III	U. simensis	100 mg/kg	11.92 ± 0.82w3	85.42	11.71 ± 0.13w2	50.34
IV	U. simensis	200 mg/kg	7.75 ± 1.77w3	90.52	9.46 ± 1.20w3	59.88
V	U. simensis	400 mg/kg	6.67 ± 2.25w3	91.84	7.62 ± 2.41w3	67.68

Note. Each value represents mean ± SEM; n = 6; ^w: against class I; ²: P < 0.01, ³: P < 0.001.