Table 1.
Demographics by Surgical Approach for Longitudinal Assessment of Bariatric Surgery 1 or Longitudinal Assessment of Bariatric Surgery 2 Participants
| Characteristic | Lap band (n = 1,608) | Lap GBP (n = 3,770) | Open GBP (n = 504) | p Value |
|---|---|---|---|---|
| Age, y, median (Ql, Q3) | 47.0 (37.0, 56.0) | 44.0 (36.0, 53.0) | 47.0 (39.0, 55.0) | <0.0001 |
| Age group, y, n (%) | <0.0001 | |||
| <30 | 164 (10.2) | 382 (10.1) | 40 (7.9) | |
| 30–39 | 335 (20.8) | 1,010 (26.8) | 100 (19.8) | |
| 40–49 | 435 (27.1) | 1,098 (29.1) | 153 (30.4) | |
| 50–59 | 407 (25.3) | 950 (25.2) | 153 (30.4) | |
| 60+ | 267 (16.6) | 330 (8.8) | 58 (11.5) | |
| BMI, median (Ql, Q3) | 44.0 (40.4,48.8) | 46.7 (42.5,51.9) | 51.0 (45.1,60.5) | <0.0001 |
| Female, n (%) | 1,227 (76.3) | 3,087 (81.9) | 341 (67.7) | <0.0001 |
| Patient race, n (%) | ||||
| Caucasian (56 missing) | 1,426 (89.7) | 3,271 (87.6) | 464 (92.2) | 0.0021 |
| Hispanic (3 missing) | 81 (5.0) | 229 (6.1) | 18 (3.6) | 0.0384 |
| Current or recent smoker, n (%)* | 153 (9.5) | 558 (14.8) | 83 (16.5) | <0.0001 |
*
15 missing.
GBP, gastric bypass; LABS, Longitudinal Assessment of Bariatric Surgery; Lap, laparoscopic; Q, quarter.