Table 1 Demographic data and preoperative alignment and deformity statuses

Age

67±11.3

70.2 (55 to 76)

71.1 (52 to 78)

0.42

Sex (female)

152 (62.32%)

62 (75.61%)

48 (68.57%)

BMI

24.30±3.99

24.12±3.79

24.37±4.01

0.38

KSS

37.13±21.81

39.03±21.92

35.72±19.16

0.31

Preoperative flexion angle

91.9±17.4

92.2°± 15.4°

90.3±17.2°

0.57

 Valgus:n(mean alignment)

41 (−10.8±6.5)

17 (−7.9±5.1)^a

24 (−12.7±6.3)^b

0.34

 Neutral:n

20

8

12

0.56

 Varus:n(mean alignment)

91 (6.0±2.1)

57 (5.9±1.7)

34 (6.2±2.3)

0.51