Table 1.
Study Demographics
| Patient Demographics | N = 3678 |
|---|---|
| Age (years), Median (IQR) | 64 (54–74) |
|
| |
| BMI (kg/m2), Median (IQR) | 25.8 (22.2–30.3) |
|
| |
| Sex, N (%) | |
| Male | 1835 (49.9) |
| Female | 1842 (51.1) |
|
| |
| Race/Ethnicity, N (%) | |
| White | 2097 (57.0) |
| Black | 535 (14.6) |
| Hispanic | 301 (8.2) |
| Asian or American Indian | 419 (11.4) |
|
| |
| Preoperative Risk Factors | |
|
| |
| Preoperative Malnutrition, N (%) | 912 (24.8) |
|
| |
| Diabetes, N (%) | 694 (18.9) |
|
| |
| Smoking, N (%) | 821 (22.3) |
|
| |
| ASA Class, N (%) | |
| ASA 1 | 35 (0.95) |
| ASA 2 | 985 (26.8) |
| ASA 3 | 2229 (60.6) |
| ASA 4 | 397 (10.8) |
| ASA 5 | 30 (0.82) |
|
| |
| Gastrectomy, N (%) | |
| Distal gastrectomy | 2799 (76.1) |
| Total gastrectomy | 879 (23.9) |
|
| |
| Surgery Indication, N (%) | |
| Malignant | 2316 (63.0) |
| Benign | 1362 (37.0) |
|
| |
| Operative Factors | |
|
| |
| Blood Transfusion, N (%) | 834 (22.7) |
|
| |
| Operative time (minutes), Median (IQR) | 194 (139–267) |
|
| |
| Feeding jejunostomy, N (%) | 530 (14.4) |
|
| |
| Postoperative Occurrences | |
|
| |
| Composite morbidity, N (%) | 798 (21.7) |
|
| |
| Reoperation, N (%) | 290 (7.9) |
|
| |
| Readmission, N (%) | 447 (12.2) |
|
| |
| Mortality, N (%) | 191 (5.2) |
IQR = interquartile range; ASA = American Society of Anesthesiologists