| 一期术前(A) | 一期术后1 w (B) | 一期术后1 m (C) | 一期术后2 m (D) |
| 1.32 ± 0.27 | 0.54 ± 0.15 | 0.41 ± 0.11 | 0.44 ± 0.09 |
| F = 4.78 P = 0.023 | |||
| — | P(AB) = 0.006 | P(AC) = 0.022 | P(AD) = 0.013 |
| — | — | P(BC) = 1.257 | P(BD) = 3.446 |
| — | — | — | P(CD) = 5.163 |