Table 3. Range of motion of MP joint and strength after 6 and 12 months compared with nonoperated side.
| Nonoperated side (SD) | 6 mo (SD) | p -Value | 12 mo (SD) | p -Value | |
|---|---|---|---|---|---|
| Number of measurements | 8 | 8 | 8 | ||
| Opening of the first web space (deg) | 71.25 (9.54) | 65.00 (10.00) | 0.172 | 55.00 (16.90) | 0.027 a |
| Opposition | 9.63 (0.52) | 7.38 (1.30) | 0.017 a | 8.25 (1.98) | 0.121 |
| Retropulsion | 1.88 (0.35) | 1.25 (0.71) | 0.059 | 1.25 (0.71) | 0.059 |
| MP flexion (deg) | 36.88 (18.70) | 15.00 (15.12) | 0.011 a | 16.88 (19.81) | 0.078 |
| MP extension (deg) | 7.50 (22.68) | 16.88 (9.23) | 0.158 | 20 (19.27) | 0.292 |
| Grip strength (kg) | 15.75 (5.28) | 8 (5.93) | 0.043 a | 14.75 (4.50) | 0.750 |
| Key pinch (kg) | 3.63 (1.55) | 1.50 (0.93) | 0.012 a | 1.81 (1.25) | 0.049 a |
| Precision pinch (kg) | 3.44 (1.15) | 1.25 (0.76) | 0.011 a | 1.69 (1.13) | 0.068 |
Abbreviations: MP, metacarpophalangeal; SD, standard deviation.
a
Significant statistical result.