Comparison 3. IPV(3)‐OPV versus IPV(2)‐OPV.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Persons with polio protective humoral response	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 P1 protective humoral response	1	137	Risk Ratio (M‐H, Random, 95% CI)	0.98 [0.93, 1.03]
1.2 P2 protective humoral response	1	137	Risk Ratio (M‐H, Random, 95% CI)	1.0 [0.97, 1.03]
1.3 P3 protective humoral response	1	137	Risk Ratio (M‐H, Random, 95% CI)	1.01 [0.97, 1.05]