Table 2 The outcomes following CR TKA in the two groups

Pre-operative ROM

96 ± 5.2

97 ± 5.4

0.81

Last follow-up ROM

106 ± 9.7

107 ± 8.9

0.63

Pre-operative Knee Society clinical score

36 ± 3.2

37.9 ± 2.7

0.43

Last follow-up Knee Society clinical score

93.5 ± 3.8

93.6 ± 1.9

0.82

Pre-operative Knee Society functional score

37.9 ± 2.7

36.7 ± 3.3

0.50

Last follow-up Knee Society functional score

88.2 ± 1.4

88.1 ± 1.6

0.78

Recurrence, n (%)

0 (0%)

0 (0%)

–

Infection, n (%)

0 (0%)

1 (1.5%)

0.61

Chronic soft tissue pain, n (%)

1 (5.9%)

2 (2.9%)

0.56

Stiffness, n (%)

3 (17.6%)

1 (1.5%)

0.005

Abnormal patella track, n (%)

0 (0%)

1 (1.5%)

0.61

Any revision, n (%)

1 (5.9%)

2 (2.9%)

0.56