Table 1 Patient demographics

Total cases (n = 209)

 Age (years)

65.3 ± 8.4 (45–80)

60.5 ± 9.4 (40–75)

 < 0.01

 Knees (male / female patients)

67 (30/37)

142 (54/88)

0.35

 BMI (kg/m²)

25.1 ± 3.9 (16.2–33.1)

24.8 ± 3.6 (16.5–31.1)

0.60

 Correction angle (º)

8.9 ± 2.1 (6–13)

8.0 ± 2.7 (5–12)

0.26

Propensity score-matched cases (n = 100)

 Age (years)

63.2 (47–75)

63.3 (45–75)

0.55

 Knees (male / female patients)

50 (18/32)

50 (18/32)

0.84

 BMI (kg/m²)

25.1 ± 3.0 (17.8–31.5)

24.9 ± 2.8 (17.6–31.1)

0.63

 Correction angle (º)

9.1 ± 1.5 (6–12)

8.9 ± 1.7 (7–12)

0.71