Table 2 Perioperative data of the included patients in the trial
Valuables | RA (n = 55) | PS (n = 60) | CBT (n = 51) | P value |
|---|---|---|---|---|
Surgical time from skin to skin (min) | 167.51 ± 29.60 | 121.12 ± 34.29 | 138.63 ± 34.24 | < 0.001 |
Intra-operative blood loss (mL) | 201.82 ± 64.52 | 305.00 ± 81.15 | 242.16 ± 72.37 | < 0.001 |
Post-operative drainage (mL) | 8.10 ± 37.74 | 336.42 ± 220.22 | 263.14 ± 185.14 | < 0.001 |
Drop of HGB after surgery (g/L) | 20.40 ± 11.55 | 18.58 ± 9.99 | 17.67 ± 8.81 | 0.372 |
Post-operative hospital stay (days) | 4.0 ± 0.90 | 5.57 ± 2.90 | 5.43 ± 1.85 | < 0.001 |
Adverse events (n) | 1 (1.8%) | 5 (8.4%) | 4 (7.9%) | 0.307 |
Dural tears | 0 | 1 (1.7%) | 1 (2.0%) | |
Wound infections | 0 | 3 (5%) | 1 (2.0%) | |
Intra-operative revision caused by screw malposition | 1 (1.8%) | 0 | 2 (3.9%) | |
Neurologic deficit | 0 | 1 (1.7%) | 0 |