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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