Table 3.
General characteristics of the study sample at baseline (T0) and at 12, 24 and 36 months of follow-up (T12, T24, T36)
| T0 (n = 225) | T12 (n = 193) | T24 (n = 176) | T36 (n = 140) | |
|---|---|---|---|---|
| Sex (female) | 171 (76.0) | 145 (75.1) | 136 (77.3) | 105 (75.0) |
| Age before surgery (years) | 38.4 [29.0–47.5] | 39.2 [29.5–47.8] | 39.3 [30.0–47.9] | 40.9 [30.1–49.0] |
| Body weight before surgery (kg) | 135.7 [119.9–162.4] | 135.7 [120.7–164.7] | 135.2 [119.8–162.5] | 131.0 [117.0–154.8] |
| BMI before surgery (kg/m2) | 45.5 [40.6–54.1] | 44.2 [40.6–54.9] | 44.9 [40.6–54.5] | 42.4 [40.1–52.8] |
| Previous adjustable gastric band | 12 (5.3) | 11 (5.7) | 9 (5.1) | 8 (5.7) |
| Comorbidities before surgery | ||||
| Diabetes mellitus type 2 | 25 (11.1) | 23 (11.9) | 21 (11.9) | 19 (13.6) |
| Hypertension | 57 (25.3) | 50 (25.9) | 46 (26.1) | 39 (27.9) |
| Dyslipidemia | 21 (9.3) | 19 (9.8) | 17 (9.7) | 18 (12.9) |
| OSAS | 22 (9.8) | 21 (10.9) | 22 (12.5) | 18 (12.9) |
| BMI after surgery (kg/m2)1 | - | 30.5 [26.9–37.5] | 30.8 [26.7–36.6] | 30.3 [27.2–35.8] |
| EWL after surgery (%)1 | - | 69.2 [54.1–88.0] | 70.5 [55.4–91.7] | 67.2 [53.5–87.7] |
| TWL after surgery (%)1 | - | 30.9 [25.6–37.6] | 32.1 [24.1–38.8] | 30.0 [22.1–35.5] |
Data are presented as median [Q1–Q3] and frequencies (percentages)
BMI body mass index, OSAS obstructive sleep apnea syndrome, EWL excess weight loss, TWL total weight loss
1Missing for n = 2 at T12, n = 2 at T24, and n = 5 at T36