Table 2 Operative data
Variable | All patients N = 129 | Single bolus (Group A) N = 60 | Bolus + infusion (Group B) N = 69 | p-value |
|---|---|---|---|---|
Vertebral level fused, n | 11.00 (10.00–12.00) | 11.00 (10.00–12.00) | 11.00 (9.50–13.00) | 0.635 |
Cobb angle, ° | 66.57 ± 15.19 | 66.90 ± 14.79 | 66.28 ± 15.63 | 0.817 |
Number of screws, n | 14.00 (12.00–15.00) | 14.00 (12.00–15.00) | 13.00 (12.00–15.50) | 0.541 |
Duration of surgery, min | 110.64 ± 30.55 | 103.77 ± 21.98 | 116.61 ± 35.49 | 0.014 |
Skin incision length, cm | 29.99 ± 5.17 | 29.85 ± 4.22 | 30.12 ± 5.90 | 0.767 |