Table 2.

Principal outcome measures in patients with ulcer bleeding according to treatment

		No of patients			Pooled rates (%)
Outcome at 30 days after randomisation	No of trials	Proton pump inhibitor	Control	Heterogeneity (P value)	Proton pump inhibitor	Control	Odds ratio (95% CI)	Number needed to treat (95% CI)
Mortality	18	1371	1403	No (0.26)	5.2	4.6	1.11 (0.79 to 1.57)	Not calculable
Rebleeding	19	1408	1423	Yes (0.05)	10.6	18.7	0.46 (0.33 to 0.64)	12 (8 to 25)
Surgical intervention	17	1305	1336	No (0.42)	8.4	13.0	0.59 (0.46 to 0.76)	20 (14 to 50)