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Table 5 Comparison of the baseline characteristics of patients with four PCO changes before TKR

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

  PCO ≤ − 2 mm (n = 25) − 2 mm < PCO < 0 mm (n = 43) 0 mm ≤ PCO < 2 mm (n = 27) PCO ≥ 2 mm (n = 8) p value
Age (years) 66.20 ± 5.68 64.67 ± 5.61 64.00 ± 6.64 66.50 ± 5.58 0.487
Gender (male/female) 8/17 16/27 12/15 3/5 0.833
BMI (kg/m2) 25.95 ± 3.38 28.09 ± 3.28 27.08 ± 3.27 27.05 ± 2.73 0.082
Flexion contracture (°) 6.34 ± 1.04 6.02 ± 0.54 6.28 ± 0.96 5.97 ± 0.84 0.335
Further flexion (°) 120.42 ± 1.95 120.73 ± 2.06 119.94 ± 1.85 118.99 ± 1.78 0.091
WOMAC score 110.56 ± 8.38 108.30 ± 6.41 112.81 ± 9.45 106.50 ± 5.81 0.069
KS knee score 39.36 ± 5.13 40.21 ± 3.59 38.48 ± 2.56 41.00 ± 6.26 0.258
KS function score 49.52 ± 2.71 48.67 ± 3.24 50.37 ± 4.12 50.50 ± 4.72 0.200
  1. The measurement data (mean ± standard deviation) were analyzed using one-way ANOVA and enumeration data were analyzed by chi-square test
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