Table 1.
Clinical information between groups
| rp-CSM | c-CSM | P value | |
|---|---|---|---|
| No. of patients (n) | 34 | 125 | |
| Males/females (n) | 19/15 | 68/57 | 0.8786 |
| Mean age | 57.24 ± 11.86 | 56.51 ± 11.64 | 0.7494 |
| Smoker(%) | 32.4% | 16.8% | 0.1286 |
| Drink (%) | 23.5% | 17.6% | 0.6589 |
| Diabetes mellitus (%) | 11.8% | 10.4% | 0.8208 |
| Hypertension (%) | 35.3% | 15.2% | 0.1020 |
| Hospital stay | 15.97 ± 6.92 | 12.78 ± 4.67 | 0.0019 |
| Waiting period to surgery (m) | 0.94 ± 0.43 | 25.80 ± 35.24 | < 0.0001 |
| Blood loss (ml) | 160.0 ± 214.0 | 113.3 ± 108.8 | 0.0814 |
| Surgery time (min) | 158.4 ± 58.39 | 145.7 ± 57.66 | 0.2568 |
| MR T2-hyperintensity (%) | 88.2% | 24.8% | < 0.0001 |
| Congenital spinal stenosis (%) | 8.8% | 10.4% | 0.7881 |
| Degenerative spinal stenosis (%) | 70.6% | 56.8% | 0.1479 |
| OPLL (local) (%) | 5.9% | 7.2% | 0.7900 |
| JOA | |||
| Pre-operation | 14.00 ± 1.97 | 13.94 ± 1.82 | 0.8760 |
| Final FU | 16.62 ± 0.78 | 16.57 ± 0.75 | 0.7360 |
| Surgery approach | |||
| Anterior surgery | 76.5% | 90.4% | 0.0689 |
| Posterior surgery | 20.6% | 8.8% | 0.0188 |
| Anterior + posterior surgery | 2.9% | 0.8% | 0.3236 |
| Mean FU (m) | 68.56 ± 14.00 | 62.66 ± 19.95 | 0.1076 |