Satisfaction Group | Dissatisfaction Group | P Value | |
---|---|---|---|
Age (year) (mean ± SD) | 64.4 ± 7.5 | 65.1 ± 7.3 | 0.753 |
Sex ratio (female:male) | 20:53 | 5:9 | 0.532 |
BMI (kg/m2) (mean ± SD) | 26.0 ± 3.9 | 26.6 ± 3.6 | 0.580 |
Operated side (left:right) | 41:32 | 8:6 | 1.000 |
Operative duration (min) (mean ± SD) | 108.5 ± 24.6 | 119.2 ± 30.0 | 0.154 |
SONK (yes:no) | 12:61 | 3:11 | 0.702 |
Preoperative complications (yes:no) | 33:40 | 7:7 | 0.777 |
TSO (months) (mean ± SD) | 34.6 ± 15.6 | 36.1 ± 14.1 | 0.746 |
Preoperative NRS score (median (LQ, UQ)) | 6.0 (5.0, 7.0) | 6.0 (6.0, 7.0) | 0.605 |
Postoperative NRS score (median (LQ, UQ)) | 1.0 (0, 2.0) | 3.0 (2.75, 5.0) | < 0.001 |
NRS score improvement (median (LQ, UQ)) | 5.0 (4.0, 6.0) | 3.0 (2.0, 4.0) | 0.001 |
Preoperative KSS (mean ± SD) | 113.9 ± 28.5 | 108.3 ± 19.4 | 0.374 |
Preoperative knee score (mean ± SD) | 58.5 ± 16.0 | 60.8 ± 10.8 | 0.608 |
Preoperative function score (mean ± SD) | 55.4 ± 18.5 | 47.5 ± 10.5 | 0.126 |
Postoperative KSS (mean ± SD) | 173.7 ± 18.8 | 133.2 ± 18.4 | < 0.001 |
Postoperative knee score (median (LQ, UQ)) | 95.0 (85.0, 99.0) | 80.0 (62.75, 89.0) | < 0.001 |
Postoperative function score (median (LQ, UQ)) | 80.0 (70.0, 90.0) | 60.0 (50.0, 60.0) | < 0.001 |
KSS improvement (mean ± SD) | 59.9 ± 30.0 | 24.9 ± 29.1 | < 0.001 |
Preoperative FTA (°) (mean ± SD) | 180.6 ± 3.6 | 181.6 ± 3.5 | 0.319 |
Postoperative FTA (°) (median (LQ, UQ)) | 176 (175, 178) | 177 (176, 178) | 0.240 |
Varus correcting (°) (mean ± SD) | 3.9 ± 3.6 | 4.4 ± 3.6 | 0.657 |
Angle A (ED:AD) | 0:73 | 0:14 | – |
Angle B (ED:AD) | 3:70 | 2:12 | 0.181 |
Angle E (ED:AD) | 17:56 | 8:6 | 0.020 |
Angle F (ED:AD) | 2:71 | 1:13 | 0.413 |
Prosthesis overhang (yes:no) | 4:69 | 1:13 | 1.000 |
Prosthesis loosening (yes:no) | 0:73 | 0:14 | – |
Postoperative complications (yes:no) | 5:68 | 1:13 | 1.000 |