Comparison of the therapeutic effect between the simultaneous and staged unicompartmental knee arthroplasty (UKA) for bilateral knee medial compartment arthritis

Table 3 Postoperative functional results

Variable	Group A (n = 39)	Group B (n = 54)	t/χ²	P-Value
Left Knee Society Clinical Scores
Preoperative	50.0 ± 5.4	50.2 ± 5.4	0.180	0.858
Final Follow-up	87.6 ± 6.2	86.9 ± 5.8	0.538	0.592
Left Knee Society Function Scores
Preoperative	64.9 ± 4.5	64.6 ± 5.3	0.279	0.781
Final Follow-up	81.6 ± 5.0	80.2 ± 4.2	1.525	0.131
Total Left Knee Society Scores
Preoperative	114.9 ± 5.2	114.7 ± 6.4	0.147	0.884
Final Follow-up	169.5 ± 6.6	167.1 ± 6.6	1.713	0.090
Right Knee Society Clinical Scores
Preoperative	50.1 ± 4.6	49.6 ± 5.7	0.421	0.675
Final Follow-up	90.1 ± 4.7	88.6 ± 6.3	1.244	0.217
Right Knee Society Function Scores
Preoperative	65.8 ± 4.0	64.9 ± 4.9	0.988	0.3236
Final Follow-up	80.3 ± 6.0	79.1 ± 5.4	0.943	0.348
Total Right Knee Society Scores
Preoperative	115.9 ± 6.4	114.5 ± 6.7	1.020	0.310
Final Follow-up	170.4 ± 6.6	167.8 ± 8.4	1.568	0.120

ISSN: 1471-2474