Table 1 Patient demographics

Mean ± SD

 Age

70.8 ± 7.1

69.1 ± 7.6

0.121 (−4.0, 0.5)

 BMI

27.2 ± 3.8

26.7 ± 3.0

0.356 (−1.6, 0.6)

 ROM

99.5 ± 19.4

94.2 ± 18.3

0.071 (−11.2, 0.5)

 KSFS Preop

58.7 ± 18.6

38.8 ± 17.6

0.001 (−15.8, −4.0)*

 KSS Preop

58.2 ± 20.3

37.4 ± 14.0

0.001 (−26.7, − 15.0)*

n (%)

 Sex (female)

84 (75.0%)

39 (45.3%)

0.027*

 Side (left)

53 (47.3%)

33 (38.4%)

0.730