Anterior resection for rectal carcinoma - risk factors for anastomotic leaks and strictures

Table 1 Factors analyzed for their significance in anastomotic leaks

Factor	Leak(n = 16)	No leak(n = 92)	P value (univariate analysis)
Age (more than 60 yr)	7	13	0.011
Male sex	11	57	0.78
Distance of the tumor from	8.2	8.9	0.5
anal verge (mean, cm)
Pre- operative hemoglobin (mean, g/dL)	10	10.2	0.6
Pre- operative serum albumin (mean, g/dL)	3.6	3.5	0.4
Stapled anastomosis	6	42	0.59
Doughnut incomplete	3	2	0.032
Duration of surgery (mean, h)	1.9	2.8	0.28
Blood loss (mean, mL)	157	168	0.9
Diverting stoma	8	52	0.78
R0 resection	12	65	1
Positive resection margin	2	13	1
Mucin secreting tumour	5	28	1

¹Factors found to be significant.