Clinical Study
Clinical Outcomes of Radial Shortening Osteotomy and Vascularized Bone Graft in Kienböck’s Disease
Table 3
Comparison of frequency of subjects in different scores of different parts of Mayo Wrist score, before and after the surgery (
).
| Mayo Wrist score parts | Radial shortening | Radial shortening and graft | Between groups | | | -value | Before surgery | After surgery | Before surgery | After surgery | Before surgery | After surgery |
| Pain intensity | | | | | | | No pain | 0 | 0 | 0 | 0 | 1.000 | 0.75 | Mild occasional | 0 | 11 (91.7) | 0 | 10 (83.3) | | | Moderate, tolerable | 6 (50) | 1 (8.3) | 6 (50) | 2 (16.7) | | | Sever to intolerable | 6 (50) | 0 | 6 (50) | 0 | | | Within groups P-value | 0.002 | 0.001 | | | Function status | | | | | | | Returned to regular employment | 0 | 0 | 0 | 6 (50) | 0.32 | 0.03 | Restricted employment | 3 (25) | 12 (100) | 6 (50) | 6 (50) | | | Able to work, but unemployed | 0 | 0 | 0 | 0 | | | Unable to work because of pain | 9 (75) | 0 | 6 (50) | 0 | | | Within groups P-value | 0.003 | 0.007 | | | Range of motion (% of normal side) | | | | | | | 100% | 0 | 0 | 0 | 0 | 0.75 | 0.001 | 75–99% | 0 | 3 (25) | 0 | 11 (91.7) | | | 50–74% | 0 | 9 (75) | 0 | 1 (8.3) | | | 25–49% | 11 (91.7) | 0 | 12 (100) | 0 | | | 0–24% | 1 (8.3) | 0 | 0 | 0 | | | Within groups P-value | 0.001 | 0.001 | | | Range of motion (If only injured hand examined) | | | | | | | Greater than 120 degrees | 0 | 0 | 0 | 0 | 1.000 | 0.03 | 90–120 degrees | 0 | 6 (50) | 0 | 11 (91.7) | | | 60–90 degrees | 0 | 6 (50) | 0 | 1 (8.3) | | | 30–60 degrees | 12 (100) | 0 | 12 (100) | 0 | | | less than 30 degrees | 0 | 0 | 0 | 0 | | | Within groups P-value | 0.002 | 0.001 | | | Grip strength % of normal | | | | | | | 100% | 0 | 0 | 0 | 0 | 1.000 | 0.001 | 75–99% | 0 | 3 (25) | 0 | 12 (100) | | | 50–74% | 0 | 9 (75) | 0 | 0 | | | 25–49% | 12 (100) | 0 | 12 (100) | 0 | | | 0–24% | 0 | 0 | 0 | 0 | | | Within groups P-value | 0.001 | 0.001 | | |
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All variables are Number (%). : -value is extracted from Mann-Whitney Test and Wilcoxon Signed Ranks Test.
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