| Group 1 | Group 2 | ||
Postoperative | Centroid | Axis | Centroid | Axis |
1st day | 0.81 | 15 | 0.31 | 113 |
1st week | 0.60 | 18 | 0.26 | 148 |
1st month | 0.43 | 21 | 0.46 | 136 |