Table 4.

Multivariate regression analysis of factors associated with post-leakage AS

Characteristics	OR	95%CI	p-value
Neoadjuvant treatment
Neoadjuvant radiotherapy (yes vs. no)	0.71	0.29–1.73	0.445
Anastomotic technique
Stapler vs. hand sewn	2.68	1.01–6.98	0.043
Extent of the anastomotic defect	1.01	1.00–1.03	0.034

OR odds ratio, CI confidence interval