Table 1.

Demographic and preoperative data

	Group A (34 knees) (UKR)	Group B (34 knees) (CA-TKR)
Age (years)	69.08 (range: 60–82) SD 5.7	70.7 (range: 60–83) SD 6.06 P=0.2
Follow-up	45.2 months (range: 37–58) SD 6.3	49 months (range: 36–62) SD 7.3 P=0.061
Preoperative flexion	120° (range: 110–130) SD 4.8	117.8° (range: 110–127) SD 4.6 P=0.063
Preoperative deformity (HKA angle)	174.5° (range: 171–178) SD 1.6	173.8° (range: 170–176) SD 1.2 P=0.061
Preoperative KS score	45.1 (range: 39–50) SD 3.01	43.9 (range: 40–49) SD 3.01 P=0.067
Preoperative functional score	49.7 (range: 44–56) SD 3.59	48.2 (range: 44–55) SD 5.6 P=0.063

UKR: unicompartmental knee replacement; CA-TKR: computer assisted total knee replacement; HKA angle: hip-knee-ankle angle; SD: standard deviation; KS score: Knee Society score