Table 2 Within-subjects BMI change after TKA surgery
Parameters | Preoperative (BMI) | 2 years postoperative (BMI) | Change in BMI, mean (95% CI) | p value |
|---|---|---|---|---|
All TKA patients (n = 202) | 26.40 ± 3.12 | 25.93 ± 2.87 | 0.470 (0.322 to 0.618) | < 0.001* |
Simultaneous bilateral TKA patients (n = 49) | 26.15 ± 2.74 | 25.20 ± 2.37 | 0.950 (0.673 to 1.226) | < 0.001* |
Staged bilateral TKA patients (n = 52) | 26.45 ± 3.43 | 26.40 ± 3.19 | 0.046 (− 0.201 to 0.293) | 0.712 |
Unilateral TKA patients (n = 101) | 26.49 ± 3.14 | 26.03 ± 2.87 | 0.456 (0.237 to 0.676) | < 0.001* |