Table 4.
Weight loss for different BP-limb lengths
| 150 | 180 | 200 | P-value | |
|---|---|---|---|---|
| N = 632 | N = 172 | N = 388 | N = 72 | |
| Female | 146 (85%) | 326 (84%) | 53 (74%) | 0.07 |
| Age, years | 48 ± 10 | 49 ± 11 | 47 ± 11 | 0.47 |
| Preoperative weight, kg | 113 [104–126] | 122 [114–133]1 | 141 [128–151]1 2 | < 0.001 |
| Preoperative BMI, kg/m2 | 39 [37–41] | 42 [40–45]1 | 47 [44–48]1 2 | < 0.001 |
| Year 1 | N = 156 | N = 374 | N = 66 | |
| BMI, kg/m2 | 26 [25–29] | 29 [27–32]1 | 31 [29–34]1 2 | < 0.001 |
| ∆ BMI, kg/m2 | 12 [10–15] | 13 [11–15] | 16 [13–17]1 2 | < 0.001 |
| WL, kg | 36 [30–43] | 37 [33–44] | 48 [39–53]1 2 | < 0.001 |
| %EWL | 89 [74–103] | 78 [65–90]1 | 73 [61–83]1 2 | < 0.001 |
| %TWL | 32 [27–36] | 31 [27–35] | 33 [29–37]2 | 0.035 |
| Year 3 | N = 129 | N = 283 | N = 53 | |
| BMI, kg/m2 | 27 [25–30] | 29 [26–32]1 | 31 [28–34]1 2 | < 0.001 |
| ∆ BMI, kg/m2 | 11 [9–15] | 13 [10–16]1 | 15 [12–16]1 2 | < 0.001 |
| WL, kg | 33 [25–42] | 38 [29–45]1 | 47 [36–56]1 2 | < 0.001 |
| %EWL | 83 [65–99] | 77 [61–93]1 | 75 [59–81]1 | 0.002 |
| %TWL | 29 [23–36] | 31 [25–37] | 34 [28–38] | 0.148 |
Values are mean ± standard deviation; median [interquartile range]; or number (%) of subjects
BP, biliopancreatic; BMI, body mass index; WL, weight loss; EWL, excess weight loss; TWL, total weight loss
1Significant difference compared to the BP-limb 150 group. 2 Significant difference compared to the BP-limb 180 group