Nation	Studies	Pooled population	Proportion of failures (%)	95% CI (%)	I2 (95% CI)
Ethiopia	2	356	6.56	0.96-16.64	88.28 (55.16-96.94)
Kenya	3	138	5.01	2.04-9.21	0.00 (0.00-88.98)
Sudan	6	52,709	7.57	2.14-15.95	98.20 (97.35-98.77)
Sudan*	5	1,452	5.96	1.66-12.68	91.86 (84.00-95.86)