Table 5. Multivariable analysis of predictors of major morbidity after open esophagectomy.

Clinical characteristics	Adjusted OR (95% CI)	P value
FEV1 ≤78%	2.493 (1.279–4.858)	0.007
The eSAS ≤7	2.810 (1.105–7.144)	0.030
Duration of operation >230 min	1.413 (0.670–2.979)	0.363
EBL	1.001 (0.999–1.002)	0.362
Surgical approach
Open Mckeown approach	2.671 (0.916–7.792)	0.072
Open Ivor Lewis approach	0.288 (0.025–3.359)	0.321
Sweet approach	reference

OR, odds ratio; CI, confidential interval; EV1, forced expiratory volume in 1 second of predicted; eSAS, esophagectomy surgical apgar score ; EBL, estimated blood loss.