Table 1.
Characteristics of study participants
| Characteristics | Total (n = 20) | RYGB (n = 10) | VSG (n = 10) |
|---|---|---|---|
| Age, yr, median (range) | 45 (23, 68) | 49 (28, 68) | 40 (23, 50) |
| Male sex, n (%) | 4 (20) | 2 (20) | 2 (20) |
| Black, n (%) | 4 (20) | 1 (10) | 3 (30) |
| Body mass index before surgery, kg/m2, median (range) | 47.7 (39.9, 69.3) | 49.5 (40.2, 69.3) | 47.2 (39.9, 49.6) |
| Weight loss 1 wk after surgery, % of total weight, median (range) | 4.5 (.6, 7.3) | 3.0 (.6, 5.1) | 5.8 (3.8, 7.3) |
| Weight loss 1 mo after surgery, % of total weight, median (range) | 9.1 (1.5, 22.5) | 8.8 (1.5, 22.5) | 10.0 (9.0, 11.1) |
| Weight loss 3 mo after surgery, % of total weight, median (range) | 14.8 (13.4, 16.3) | 14.8 (13.4, 16.3) | -* |
| Weight loss 1 wk after surgery, % of excess weight, median (range) | 8.5 (1.3, 15.5) | 5.8 (1.3, 13.1) | 12.7 (8.0, 15.5) |
| Weight loss 1 mo after surgery, % of excess weight, median (range) | 17.5 (3.0, 35.2) | 15.5 (3.0, 35.2) | 21.3 (19.0, 23.7) |
| Weight loss 3 mo after surgery, % of excess weight, median (range) | 27.0 (22.0, 32.0) | 27.0 (22.0, 32.0) | -* |
| Shannon index before surgery, median (range) | 3.55 (2.19, 4.44) | 3.54 (2.95, 3.95) | 3.59 (2.19, 4.44) |
| Shannon index 1 wk after surgery, median (range) | 3.72 (3.33, 4.29) | 3.67 (3.49, 4.09) | 3.78 (3.33, 4.29) |
| Shannon index 1 mo after surgery, median (range) | 3.38 (2.82, 3.86) | 3.37 (2.82, 3.86) | 3.38 (2.82, 3.86) |
| Shannon index 3 mo after surgery, median (range) | 3.76 (3.35, 3.91) | 3.78 (3.35, 3.91) | 3.75 (3.64, 3.86) |
RYGB = Roux-en-Y gastric bypass; VSG = vertical sleeve gastrectomy.
*
Sample size was too small to make an estimate.