Table 3 Results at final follow-up
SR (n = 106) | MR (n = 114) | P value | |
|---|---|---|---|
Functional results | |||
HSS | |||
Preoperative | 41.23 ± 5.76 | 42.35 ± 5.34 | 0.1359 |
Final follow-up | 86.32 ± 10.22 | 84.52 ± 10.53 | 0.2002 |
KSS (knee) | |||
Preoperative | 40.56 ± 15.62 | 42.63 ± 17.36 | 0.5700 |
Final follow-up | 84.52 ± 18.50 | 85.63 ± 16.82 | 0.6416 |
KSS (function) | |||
Preoperative | 45.62 ± 16.57 | 44.58 ± 17.56 | 0.6517 |
Final follow-up | 86.23 ± 17.50 | 85.14 ± 16.20 | 0.6319 |
WOMAC score | |||
Preoperative | 54.68 ± 18.69 | 56.23 ± 17.52 | 0.5261 |
Final follow-up | 21.83 ± 15.60 | 23.24 ± 15.80 | 0.5064 |
SF-12 | |||
Preoperative | 28.84 ± 6.45 | 30.13 ± 6.14 | 0.1300 |
Final follow-up | 52.48 ± 5.34 | 51.21 ± 5.35 | 0.1394 |
ROM (flexion) | |||
Preoperative | 105.52 ± 10.78° | 104.18 ± 10.62° | 0.3542 |
Final follow-up | 115.65 ± 10.32° | 115.50 ± 10.13° | 0.9135 |
ROM (extension) | |||
Preoperative | 10.23 ± 2.45° | 10.34 ± 2.23° | 0.7277 |
Final follow-up | 3.42 ± 1.22° | 3.28 ± 1.25° | 0.4020 |
Chair test (complete) | 88 (83.02%) | 93 (81.58%) | 0.7799 |
Pain | |||
VAS | |||
Preoperative | 6.45 ± 1.25 | 6.57 ± 1.38 | 0.5009 |
Final follow-up | 0.42 ± 0.15 | 0.44 ± 0.12 | 0.2744 |
Anterior knee pain | 9 (10.38%) | 20 (17.54%) | 0.0251* |
Painless crepitation | 17 (16.34%) | 26 (28.07%) | 0.0383* |
Painful crepitation | 2 (1.89%) | 3 (2.63%) | 0.3287 |
Component evaluation | |||
Radiological line | |||
< 2 mm | 8 (7.69%) | 10 (8.77%) | 0.1842 |
> 2 mm | 0 (0%) | 0 (0%) | – |
LDFA (α) ° | 84.32 ± 3.15 | 84.57 ± 3.25 | 0.5635 |
MDTA (β) ° | 89.87 ± 3.24 | 89.56 ± 3.32 | 0.4846 |
FEFA (γ) ° | 6.54 ± 1.68 | 6.76 ± 2.26 | 0.4162 |
TSA(σ) ° | 88.25 ± 3.53 | 87.82 ± 3.72 | 0.3809 |