Table 3 Radiological evaluation of VBD group
|  | Preoperatively | 1 day Postoperatively | 6 months Postoperatively | 12 months Postoperatively | P valuea |
|---|---|---|---|---|---|
AD | 5.62 ± 2.62 | – | – | 5.90 ± 2.71 | 0.095 |
HD | 0.17 ± 0.08 | – | – | 0.19 ± 0.09 | 0.100 |
CA | 18.67 ± 8.42 | – | – | 19.17 ± 9.13 | 0.091 |
SA | 4.79 ± 1.44 | – | – | 5.01 ± 1.43 | 0.160 |