Table 3.

30-day morbidity after gastrectomy

Univariable
Variable	OR	95% CI	p value
Age	1.01	1.01–1.02	<0.001
BMI	1.01	1.00–1.02	0.20
Sex
Female	1.00 (reference)
Male	1.03	0.88–1.21	0.67
Race/Ethnicity
White	1.00 (reference)
Black or African-American	0.67	0.53–0.86	0.001
Hispanic	0.67	0.49–0.92	0.013
Asian, NH, PI, AI, Alaskan	0.58	0.43–0.76	<0.001
Preoperative Malnutrition
Normal nutrition	1.00 (reference)
Malnutrition	2.71	2.29–3.20	<0.001
Diabetes	1.05	0.89–1.28	0.65
Smoking	1.22	1.01–1.46	0.036
ASA Class
ASA Class 1	1.00 (reference)
ASA Class 2	1.64	0.49–5.42	0.42
ASA Class 3	2.74	0.83–8.97	0.097
ASA Class 4	9.31	2.80–30.9	<0.001
ASA Class 5	35.0	8.18–150.1	<0.001
Surgery type
Distal gastrectomy	1.00 (reference)
Total gastrectomy	1.52	1.28–1.81	<0.001
Surgical Indication
Malignant	1.00 (reference)
Benign	1.67	1.42–1.95	<0.001
Transfusion	3.93	3.31–4.66	<0.001
Operative time
Operative time < median	1.00 (reference)
Operative time ≥ median	1.38	1.18–1.61	<0.001
Feeding tube	1.56	1.27–1.92	<0.001
Multivariable
Variable	OR	95% CI	p value
Age	1.01	1.01–1.02	0.001
Race/Ethnicity
White	1.00 (reference)
Black or African-American	0.69	0.53–0.90	0.021
Hispanic	0.83	0.59–1.16	0.27
Asian, NH, PI, AI, Alaskan	0.85	0.62–1.15	0.29
Preoperative Malnutrition
Normal nutrition	1.00 (reference)
Malnutrition	1.65	1.35–2.02	<0.001
Smoking	1.23	0.99–1.53	0.064
ASA Class
ASA Class 1	1.00 (reference)
ASA Class 2	1.02	0.29–3.51	0.98
ASA Class 3	1.46	0.43–5.01	0.55
ASA Class 4	3.23	0.92–11.3	0.067
ASA Class 5	14.5	2.77–76.2	0.002
Surgery type
Distal gastrectomy	1.00 (reference)
Total gastrectomy	1.63	1.31–2.03	<0.001
Surgical Indication
Malignant	1.00 (reference)
Benign	1.60	1.29–1.97	<0.001
Transfusion	2.57	2.10–3.13	<0.001
Operative time
Operative time < median	1.00 (reference)
Operative time ≥ median	1.43	1.18–1.73	<0.001
Feeding tube	1.28	1.00–1.62	0.047

C-statistic 0.74