Variable | RBHS group (n = 36) | Control group (n = 38) | Pvalue |
---|---|---|---|
Age (years) | 64 ± 14 | 59 ± 13 | 0.17 |
Sex (male/female) | 18/18 | 23/15 | 0.33 |
Body mass (kg) | 76.6 ± 18.4 | 74.1 ± 21.2 | 0.62 |
Spinal levels fused (median (IQR)) | 4 (3, 9) | 4 (2, 7) | 0.23 |
Spinal levels fused (mean ± SD) | 6.1 ± 4.5 | 4.9 ± 3.7 | 0.22 |
Thoracic fusion | 4 (11.1%) | 4 (10.5%) | 0.67 |
Lumbar fusion | 18 (50%) | 20(52.6%) | 0.56 |
Thoracolumbar fusion | 14 (38.9%) | 14 (36.9%) | 0.72 |
Surgeon specialty (neuro/ortho) | 12/24 | 12/26 | 0.52 |
Duration of surgery (h) | 6.07 ± 0.42 | 6.14 ± 0.37 | 0.89 |
Revision surgery | 8 (22.2%) | 7 (18.4%) | 0.78 |
ASA class | 2.7 ± 0.1 | 2.5 ± 0.1 | 0.19 |