Table 2.

Prevalence of gastric lesions.

Group/lesion gradea	None	Any grade	Grade II or III	Grade III
Control	88	12	5	2
NSAID	20	80b	70	50
Probiotic	23	77b	67	33

^aThe treatment groups were control, indomethacin-challenged group (NSAID), and a probiotic group supplemented daily with 10¹⁰ colony forming units of Bifidobacterium lactis 420 for seven days prior to indomethacin challenge. The lesion Grades I, II, and III represent mild, moderate, and severe lesions, respectively.

^bANOVA P < 0.05 when compared with control.