|
Preoperative
|
Postoperative 3 months
|
Postoperative 6 months
|
Postoperative 9 months
|
Postoperative 12 months
|
P value*
|
---|
Functional score
|
Grip strengtha
|
51% ± 20%
|
50% ± 18%
|
70% ± 16%*
|
79% ± 10%*
|
86% ± 12%*
|
< 0.05
|
Motion arcb
|
56% ± 10%
|
48% ± 10%
|
66% ± 12%
|
78% ± 13%*
|
86% ± 11%*
|
< 0.05
|
DASH score
|
32.8 ± 18.1
|
43.8 ± 21.2
|
30.9 ± 15.3
|
19.0 ± 14.2
|
12.4 ± 11.4*
|
< 0.05
|
Mayo Wrist score
|
42.5 ± 14.6
|
40.2 ± 15.5
|
63.6 ± 12.5*
|
72.8 ± 12.7*
|
84.4 ± 10.8*
|
< 0.05
|
Radiographic parameters
|
Scaphoid axial length
|
24.8 ± 6.1
| |
27.2 ± 5.3
| | |
< 0.05
|
Intrascaphoid angle
|
43.7° ± 6.7°
| |
30° ± 6.4°
| | |
< 0.05
|
Scapholunate angle
|
61.6° ± 10.6°
| |
51.3° ± 9.9°
| | |
< 0.05
|
Radiolunate angle
|
25.8° ± 5.5°
| |
11.3° ± 3°
| | |
< 0.05
|
Carpal height ratio
|
46% ± 4%
| |
52% ± 2%
| | |
< 0.05
|
- Grip strengtha (op/non-op) × 100%; motion arcb (op/non-op) × 100%
- *P value, significance difference under Wilcoxon rank-sum test