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Table 3 Logistic regression results evaluating the predictors of clinically meaningful weight loss and gain after TKA surgery

From: Weight changes after total knee arthroplasty in Chinese patients: a matched cohort study regarding predictors and outcomes

Parameters Weight loss (n = 42)£ p value Weight gain (n = 15) £ p value
Preoperative BMI 1.271 (1.123 to 1.440) < 0.001* 0.698 (0.538 to 0.906) 0.007*
Sex 1.900 (0.794 to 4.548) 0.149 1.161 (0.361 to 3.730) 0.803
Age 1.088 (1.027 to 1.153) 0.004* 1.089 (1.001 to 1.184) 0.048*
Preoperative total WOMAC score 1.066 (0.968 to 1.174) 0.191 0.928 (0.803 to 1.073) 0.313
Preoperative SF-36 PCS score 0.969 (0.893 to 1.050) 0.442 1.088 (0.964 to 1.230) 0.173
Preoperative SF-36 MCS score 1.007 (0.927 to 1.094) 0.869 1.036 (0.926 to 1.159) 0.538
  1. £The values are given as the odds ratio, with 95% confidence interval in parentheses
  2. *Significant difference