Table 4.

Sensitivity test for meta-analysis of primary anastomotic rate of semielective surgery after SEMS installation versus emergency surgery.

Excluded study	(95% CI) After exclusion	Heterogeneity test
		P value	I ² (%)
Alcántara et al. 2011 [1]	1.359 (0.995, 1.857)	0.01	68.045
Cheung et al. 2009 [2]	1.179 (0.879, 1.583)	0.031	82.419
Ho et al. 2012 [3]	1.354 (0.967, 1.895)	0.011	68.003
Pirlet et al. 2011 [4]	1.176 (0.882, 1.567)	0.029	82.065
van Hooft et al. 2011 [5]	1.147 (0.896, 1.468)	0.037	77.705