TABLE 3.
Comparison of hand function between the two groups
| Group | n | Time | Grade I, n (%) | Grade II, n (%) | Grade III, n (%) | Grade IV, n (%) | Grade V, n (%) | Grade VI, n (%) |
|---|---|---|---|---|---|---|---|---|
| Study | 32 | 3 months PP | 2 (6.25) | 21 (65.63) | 10 (31.25) | 3 (9.38) | 0 | 0 |
| 6 months PP | 0 | 0 | 2 (6.25) | 21 (65.63) | 6 (18.75) | 3 (9.38) | ||
| Control | 32 | 3 months PP | 18 (56.25) | 12 (37.50) | 2 (6.25) | 0 | 0 | 0 |
| 6 months PP | 0 | 6 (18.75) | 19 (59.38) | 7 (21.88) | 0 | 0 | ||
| χ 2 | 18.618 | 5.067 | 5.379 | 0.953 | — | — | ||
| P | <.001 | .024 | .020 | .329 | — | — | ||
| χ 2# | 2.065 | 31.256 | 5.379 | 34.724 | 6.621 | 3.148 | ||
| P # | .151 | <.001 | .020 | <.001 | .024 | .076 | ||
| χ 2* | 25.043 | 3.276 | 20.483 | 7.398 | — | 25.043 | ||
| P * | <.001 | .070 | <.001 | .007 | — | <.001 | ||
| χ 2*# | — | 6.228 | 20.483 | 18.080 | 6.621 | 3.146 | ||
| P *# | — | .013 | <.001 | <.001 | .024 | .074 |
Abbreviations: χ 2 P, comparison of two groups 3 months after operation; χ 2# P #, comparison of 3 and 6 months after operation in the study group; χ 2* P *, comparison of 3 and 6 months after operation in the study group; χ 2*# P *#, comparison of two groups 6 months after operation.