Surgical complications after different therapeutic approaches for locally advanced rectal cancer

Table 5 Logistic regression analysis of anastomotic leakage

Characteristics	Anastomotic leakage
	χ2	OR	95%CI of Exp(B)	P value
Age	1.748	1.542	0.812–2.928	0.186
Sex	1.081	1.410	0.738–2.695	0.299
Distance from anal verge	0.508	1.276	0.653–2.496	0.476
Pathological T stage	13.089	2.620	1.555–4.415	< 0.001
Pathological N stage	1.402	0.768	0.496–1.189	0.236
Preoperative radiotherapy	14.029			0.001
Long course CRT/surgery directly	10.931	3.624	1.689–7.775	0.001
short course RT/surgery directly	9.614	5.150	1.828–14.515	0.002
diverting stoma	15.804	6.211	2.525–15.385	< 0.001

OR: Odds ratio; CRT: Chemoradiotherapy; RT: Radiotherapy.