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Table 2 Estimated WMD and 95% CI from pairwise meta-analysis in terms of flexion contracture improvement, flexion improvement, KS function score improvement, and KS knee score improvement

From: Effect of femoral posterior condyle offset on knee joint function after total knee replacement: a network meta-analysis and a sequential retrospective cohort study

Included studies Comparisons Pairwise meta-analysis
WMD (95% CI) I2 Ph
Flexion contracture improvement
2 studies C VS. B − 0.49 (− 1.72− 0.75) 63.2% 0.10
2 studies D VS. B 0.22 (− 1.40–1.85) 0% 0.63
Knee flexion improvement
3 study D VS. A − 1.54 (− 3.97–0.88) 64.6% 0.06
2 studies C VS. B 6.00 (2.49–9.50) 84.4% 0.01
2 studies D VS. B 2.37 (− 1.83–6.58) 12.9% 0.28
KS function score improvement
2 studies C VS. B 2.36 (− 0.92–5.64) 0% 0.40
2 studies D VS. B 0.51 (− 3.79–4.80) 0% 0.52
KS knee score improvement
2 studies C VS. B 2.37 (− 0.16–4.89) 91.80% < 0.01
2 studies D VS. B − 1.16 (− 4.18–1.84) 0% 0.38
  1. WMD weighted mean difference, 95% CI 95% confidence intervals, KS knee society. A, The change of PCO decrease of 2 mm or more. B, The change of PCO decrease by 0 mm to 2 mm. C, The change of PCO increase by 0 mm to 2 mm. D, The change of PCO increase by 2 mm or more
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