Table 2 Weight change after bariatric surgery depending on sequence of surgery
BS-TKA | TKA-BS | Univariate regression | Adjusted regression | |||||
|---|---|---|---|---|---|---|---|---|
N | Mean ± SD | N | Mean ± SD | B (95% CI) | p-value | B1 (95% CI) | p-value | |
1 year | ||||||||
BMI-loss | 431 | 12.5 ± 3.9 | 96 | 11.3 ± 3.3 | 1.257 (0.414 to 2.1) | 0.004 | − 0.059 (− 0.760 to 0.642) | 0.868 |
TWL, % | 431 | 28.7 ± 7.5 | 96 | 27.6 ± 7.0 | 1.2 (− 0.5 to 2.8) | 0.170 | − 0.1 (− 1.7 to 1.5) | 0.873 |
EBMIL, % | 431 | 70.4 ± 19.4 | 95 | 74.6 ± 19.8 | − 4.2 (− 8.5 to 0.1) | 0.058 | − 1.2 (− 5.2 to 2.9) | 0.570 |
2 years | ||||||||
BMI-loss | 351 | 12.4 ± 4.4 | 75 | 11.4 ± 3.9 | 0.994 (− 0.095 to 2.082) | 0.073 | − 0.152 (− 1.038 to 0.734) | 0.737 |
TWL, % | 351 | 28.8 ± 8.9 | 75 | 28.0 ± 8.4 | 0.7 (− 1.5 to 2.9) | 0.522 | − 0.4 (− 2.5 to 1.6) | 0.697 |
EBMIL, % | 351 | 71.3 ± 22.4 | 74 | 76.0 ± 23.7 | − 4.7 (− 10.4 to 1.0) | 0.103 | − 2.3 (− 7.5 to 3.0) | 0.399 |