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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