Table 1.
Cohort baseline characteristics
| Characteristic | Total (n = 7098) | Female (n = 5669) | Male (n = 1429) | ||||
|---|---|---|---|---|---|---|---|
| RYGB (n = 4064) | SG (n = 1605) | P value | RYGB (n = 993) | SG (n = 436) | P value | ||
| Age (yr)* | 45.3 ± 10.9 | 44.9 ± 10.7 | 44.4 ± 11.1 | .10 | 47.8 ± 10.6 | 46.7 ± 11.2 | .09 |
| Race, n (%) | <.0001 | <.0001 | |||||
| White | 5747 (81.0) | 3393 (83.5) | 1138 (70.9) | 872 (87.8) | 344 (78.9) | ||
| Black | 1172 (16.5) | 592 (14.6) | 418 (26.0) | 89 (9.0) | 73 (16.7) | ||
| Others | 179 (2.5) | 79 (1.9) | 49 (3.1) | 32 (3.2) | 19 (4.4) | ||
| Presurgery weight (kg)* | 135.3 ± 25.9 | 131.6 ± 23.5 | 125.4 ± 20.6 | <.0001 | 158.0 ± 26.2 | 154.4 ± 25.3 | .02 |
| Presurgery BMI (kg/m2)* | 47.9 ± 7.7 | 48.3 ± 7.9 | 46.2 ± 6.8 | <.0001 | 48.8 ± 7.8 | 48.0 ± 7.4 | .06 |
| Diabetes status, n (%)† | <.0001 | <.0001 | |||||
| No | 4391 (61.9) | 2474 (60.9) | 1191 (74.2) | 468 (47.1) | 258 (59.2) | ||
| Yes | 2707 (38.1) | 1590 (39.1) | 414 (25.8) | 525 (52.9) | 178 (40.8) | ||
RYGB = Roux-en-Y gastric bypass; SG = sleeve gastrectomy; BMI = body mass index.
*
Mean ± SD.
†
Diabetes status was defined by International Statistical Classification of Disease (ICD) code (ICD-9: 250; ICD-10: E10 and E11).