Table 3.

Clinical trials included in the meta-analysis.

Study or subgroup	Year	Stapled		Hand-sewn			Odds ratio
		Events	Total N	Events	Total N	Weight	M-H, fixed, 95% CI
Didolkar et al. [11]	1986	0	22	0	16		Not estimated
Docherty et al. [12]	1991	0	70	4	87	13.6%	0.13 [0.01, 2.49]
Kracht et al. [13]	1993	3	106	26	334	44.5%	0.32 [0.09, 1.07]
Docherty et al. [6]	1995	1	133	4	122	12.9%	0.26 [0.03, 2.39]
Izbicki et al. [14]	1998	1	15	0	21	1.3%	4.45 [0.17, 116.94]
Ikeuchi et al [15]	2000	0	11	0	18		Not estimated
McLeod et al. [16]	2009	6	84	6	86	18.7%	1.03 [0.32, 3.32]
Zurbuchen et al. [17]	2013	0	36	2	31	9.0%	0.16 [0.01, 3.50]