Table 2 Univariate analysis of primary and secondary outcome measures
Variables | TP group (n = 62) | HA group (n = 102) | p value |
|---|---|---|---|
Operation time, mean (SD), min | 128 (32) | 158 (44) | < 0.001 |
Intraoperative bleeding, mean (SD), ml | 146 (13) | 230 (20) | 0.003 |
Postoperative cervical kyphosis, n (%) | 6 (9.7) | 13 (13) | 0.55 |
Postoperative diameter of cervical canal, mean (SD), mm | 18 (2.2) | 17 (2.2) | < 0.001 |
Complication required another surgery, n (%) | 2 (3.2) | 5 (4.9) | 0.61 |
Deep surgical site infection, n (%) | 1 (1.6) | 3 (2.9) | 0.59 |
C5 palsy, n (%) | 0 (0) | 1 (1.0) | 0.43 |
Failure of spacers, n (%) | 0 (0) | 0 (0) | 1.0 |