Table 5. Hospital stay (no IHM): univariable and multivariable analysis.

Characteristics	Multivariable
	B*	95% CI	Additional days	P value
Female gender	0.059	−0.059–0.176	1	0.329
Age >65 years	0.114	0.006–0.222	2	0.039
BMI >25 kg/m2	0.071	−0.037–0.180	1	0.198
ASA score
I	Ref	–		–
II	0.043	−0.085–0.172	1	0.510
III	−0.017	−0.207–0.172	0	0.859
Pulmonary comorbidity	0.215	0.066–0.363	4	0.005
Cardiac comorbidity	0.078	−0.062–0.218	1	0.277
Vascular comorbidity	−0.008	−0.147–0.132	0	0.916
Diabetes mellitus	0.227	0.058–0.396	4	0.008
Neoadjuvant treatment
None	Ref	–		–
Chemotherapy	−0.174	−0.317 to −0.110	−2	0.017
Chemoradiotherapy	−0.218	−0.354 to −0.083	−3	0.002
Minimally invasive surgery	−0.120	−0.261–0.021	−2	0.095
Anastomotic leakage	0.614	0.483–0.744	13	<0.001
Chylothorax	0.389	0.255–0.523	7	<0.001
Recurrent nerve paresis	0.250	0.096–0.403	4	0.001

*, Intercept = 2,708 (15 days). BMI, body mass index; ASA score, American Society of Anesthesiologists Score.