Table 2 Surgical data of patients in the two groups
From: Effect of spinal-pelvic sagittal balance on the clinical outcomes after lumbar fusion surgery
| Â | Full sample | Group M | Group MM | P value |
|---|---|---|---|---|
ASA | Â | Â | Â | 0.523 |
 1 | 59 (19.5%) | 28(17.2%) | 31(22.1%) |  |
 2 | 208 (68.6%) | 116(71.2%) | 92(65.7%) |  |
 3 | 36 (11.9%) | 19(11.7%) | 17(12.1%) |  |
Fusion number | Â | Â | Â | 0.076 |
 1 | 230 (75.9%) | 131(80.4%) | 99(70.7%) |  |
 2 | 57 (18.8%) | 27(16.6%) | 30(21.4%) |  |
 3 | 16 (5.3%) | 5(3.1%) | 11(7.9%) |  |
L4/5 fusion | 237(78.2%) | 122 (74.8%) | 155 (82.1%) | 0.125 |
L5/S1 fusion | 78 (25.7%) | 42 (25.8%) | 36 (25.7%) | 0.992 |
Surgical time/min | 255.10 ± 95.25 | 246.78 ± 96.06 | 264.79 ± 93.70 | 0.101 |
Blood loss/ml | 248.91 ± 278.51 | 215.83 ± 173.25 | 287.43 ± 361.62 | 0.034* |
LOS/day | 15.29 ± 33.23 | 14.99 ± 36.56 | 15.65 ± 28.98 | 0.863 |