Table 2: Comparison of the postoperative clinical and functional outcomes for reusable instruments (RI) and single use instruments (SUI). Data are expressed as mean ± SD; median (ranges).
|
|
At 3 months |
|
At 12 months |
|
||
|
Variable |
RI |
SUI |
P-value |
RI |
SUI |
P-value |
|
HKA (°) |
NA |
NA |
|
177.8 ± 3.4; (172.0-183.0) |
175.8 ± 4.4; (168.0-181.0) |
0.270 |
|
LDFA (°) |
84.6 ± 1.9; (83-88) |
88.2 ± 3.8; (85-97) |
0.020 |
84.1 ± 2.5; (81-88) |
87.7 ± 3.9; (83-97) |
0.034 |
|
MPTA (°) |
87.4 ± 0.9; (86-89) |
87.7 ± 2.4; (84 -92) |
0.801 |
87.6 ± 1.6; (85.0-90.0) |
87.4 ± 2.1; (85.0 -92.0) |
0.902 |
|
Flexion (°) |
116.5 ± 8.5; (100-130) |
104.0 ± 15.8 (80-120) |
0.041 |
118.3 ± 5.6 (110.0-125.0) |
108.9 ± 12.4 (90-120) |
0.054 |
|
Extension (°) |
-5.0 ± 6.7; (-15-0) |
-6.0 ± 9.4; (-20-10) |
0.786 |
-3.3 ± 5.6 (-15.0-0.0) |
-1.7 ± 3.5 (-10.0-0) |
0.461 |