Table 1.
Patient Demographics and Characteristics According to Type of Procedure
| Characteristic | LRYGB (n = 128,349) | LSG (n = 30,257) |
|---|---|---|
| Age, y, mean (SD) | 45.5 (11.7) | 44.6(11.3) |
| Age, y, median (IQR) | 45.0 (37–54) | 44.0 (36–53) |
| Female sex, n (%) | 57,944 (77.5) | 13,757 (75.2) |
| Race, n (%) | ||
| Caucasian | 92,111 (71.8) | 20,675 (68.3) |
| Hispanic | 10,879 (8.48) | 2,959 (9.78) |
| African American | 14,841 (11.6) | 3,748 (12.4) |
| Other | 10,518 (8.19) | 2,875 (9.50) |
| BMI, m/kg2, mean (SD) | 47.5 (8.10) | 46.4 (8.60) |
| BMI, m/kg2, median (IQR) | 46.0 (41.7–51.7) | 44.7 (40.4–50.7) |
| ASA Class, n (%) | ||
| I | 3,512 (2.74) | 996 (3.29) |
| II | 27,989 (21.8) | 8,828 (29.2) |
| III | 91,150 (71.0) | 19,548 (64.6) |
| IV | 5,698 (4.44) | 885 (2.92) |
| Comorbidities | ||
| Congestive heart disease | 2,560 (2.01) | 440 (1.47) |
| Depression | 46,452 (36.4) | 9,516 (31.7) |
| Diabetes | 41,958 (32.9) | 8,134 (27.1) |
| Hypertension | 69,831 (54.8) | 15,122 (50.4) |
| Ischemic heart disease | 3,511 (2.75) | 622 (2.07) |
| Liver disease | 9,020 (7.07) | 1,654 (5.51) |
| Sleep apnea | 55,378 (43.4) | 11,916 (39.7) |
| Peripheral vascular disease | 1,432 (1.12) | 278 (0.93) |
| Venous thromboembolism | 2,346 (1.83) | 435 (1.44) |
| Any functional impairment | 4,351 (3.41) | 672 (2.24) |
| Alcohol use | 17,597 (13.8) | 5,469 (18.2) |
| Tobacco use | 6,196 (4.86) | 1,494 (4.98) |
| Substance abuse | 383 (0.30) | 75 (0.25) |
Values are presented as frequencies (%) unless otherwise indicated.
ASA, American Society of Anesthesiologists; IQR, interquartile range; LRYGB, laparoscopic Roux-en-Y gastric bypass; LSG, laparoscopic sleeve gastrectomy.