Table 6.

30-day mortality after gastrectomy

Univariable
Variable	OR	95% CI	p value
Age	1.05	1.04–1.07	<0.001
BMI	1.00	0.98–1.02	0.86
Sex
Female	1.00 (reference)
Male	1.03	0.77–1.37	0.86
Race/Ethnicity
White	1.00 (reference)
Black or African-American	0.86	0.56–1.32	0.49
Hispanic	0.39	0.18–0.83	0.015
Asian, NH, PI, AI, Alaskan	0.68	0.41–1.15	0.15
Preoperative Malnutrition
Normal nutrition	1.00 (reference)
Malnutrition	4.54	3.37–6.12	<0.001
Diabetes	1.35	0.95–1.90	0.090
Smoking	0.86	0.60–1.23	0.41
ASA Class
ASA Class 1	1.00 (reference)
ASA Class 2	0.35	0.043–2.80	0.32
ASA Class 3	1.45	0.20–10.7	0.72
ASA Class 4	7.92	1.07–58.8	0.043
ASA Class 5	26	3.13–215.7	0.003
Surgery type
Distal gastrectomy	1.00 (reference)
Total gastrectomy	1.14	0.82–1.58	0.45
Surgical Indication
Malignant	1.00 (reference)
Benign	2.03	1.51–2.71	<0.001
Transfusion	5.69	4.21–7.68	<0.001
Operative time
Operative time < median	1.00 (reference)
Operative time ≥ median	0.54	0.40–0.73	<0.001
Feeding tube	1.21	0.82–1.79	0.34
All-cause morbidity	13.3	9.45–18.6	<0.001
Reoperation	4.08	2.85–5.84	<0.001
Multivariable
Variable	OR	95% CI	p value
Age	1.04	1.03–1.06	<0.001
Preoperative Malnutrition
Normal nutrition	1.00 (reference)
Malnutrition	1.86	1.31–2.65	0.001
ASA Class
ASA Class 1	1.00 (reference)
ASA Class 2	0.26	0.028–2.30	0.22
ASA Class 3	0.57	0.069–4.76	0.61
ASA Class 4	1.24	0.15–10.5	0.85
ASA Class 5	2.30	0.23–22.5	0.48
Surgical Indication
Malignant	1.00 (reference)
Benign	1.15	0.80–1.66	0.46
Transfusion	2.00	1.40–2.87	<0.001
Operative time
Operative time < median	1.00 (reference)
Operative time ≥ median	0.50	0.35–0.72	<0.001
All-cause morbidity	6.78	4.62–9.95	<0.001
Reoperation	1.74	1.15–2.65	0.010

C-statistic 0.90