Table. Sample Characteristics by Operation Typea.
| Variable | Total (N = 100) | Lung Lobectomy (n = 6) | Gastric Bypass (n = 6) | Hip Replacement (n = 15) | Robotic Cystectomy (n = 12) | Open Colectomy (n = 16) | Abdominal Hysterectomy (n = 11) | Sleeve Gastrectomy (n = 19) | Laparoscopic Colectomy (n = 15) |
|---|---|---|---|---|---|---|---|---|---|
| Age, mean (SD), y | 53 (18) | 70 (8) | 37 (10) | 62 (13) | 70 (10) | 43 (18) | 56 (11) | 44 (15) | 47 (20) |
| Sex, No./total No. (%) | |||||||||
| Male | 47/100 (47) | 2 (33) | 0 | 7 (47) | 9 (75) | 13 (81) | 0 | 5 (26) | 11 (73) |
| Female | 53/100 (53) | 4 (67) | 6 (100) | 8 (53) | 3 (25) | 3 (19) | 11 (100) | 14 (74) | 4 (27) |
| Race/ethnicity, No./total No. (%) | |||||||||
| White | 55/100 (55) | 1 (17) | 1 (17) | 10 (67) | 8 (67) | 12 (75) | 5 (45) | 7 (37) | 11 (73) |
| African American | 12/100 (12) | 0 | 3 (50) | 2 (13) | 1 (8) | 0 | 3 (27) | 3 (16) | 0 |
| Hispanic | 20/100 (20) | 2 (33) | 2 (33) | 1 (7) | 0 | 4 (25) | 3 (27) | 7 (37) | 1 (7) |
| Asian American | 5/100 (5) | 3 (50) | 0 | 1 (7) | 0 | 0 | 0 | 0 | 1 (7) |
| Middle Eastern | 8/100 (8) | 0 | 0 | 1 (7) | 3 (25) | 0 | 0 | 2 (11) | 2 (13) |
| BMI, mean (SD) | 31 (12) | 28 (4) | 49 (11) | 30 (5) | 27 (3) | 23 (3) | 29 (7) | 46 (12) | 23 (4) |
| Charlson-Deyo comorbidity score, No./total No. (%) | |||||||||
| 0 | 62/100 (62) | 1 (17) | 5 (83) | 11 (73) | 1 (8) | 13 (81) | 6 (55) | 11 (58) | 14 (93) |
| 1 | 12/100 (12) | 2 (33) | 1 (17) | 1 (7) | 0 | 0 | 0 | 8 (42) | 0 |
| ≥2 | 26/100 (26) | 3 (50) | 0 | 3 (20) | 11 (92) | 3 (19) | 5 (45) | 0 | 1 (7) |
| Length of stay, median (IQR), d | 4 (3-6) | 3 (2-4) | 4 (3-4) | 4 (3-4) | 9 (6-9) | 5 (4-8) | 4 (4-5) | 3 (2-3) | 4 (4-6) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); IQR, interquartile range.
a
P < .001 for all comparisons. P values were calculated by 1-way analysis of variance for continuous variables and by χ2 test for categorical variables.