Table 2.
Distribution of Follow-up Motor Score Based on 11 Independent Variables from Univariate Analysis
| Independent variable | n | Mean (SD) | Correlation coefficient | p value |
|---|---|---|---|---|
| Gender | - | 0.537 | ||
| Female | 19 | 94.8 (4.9) | ||
| Male | 82 | 92.8 (14.1) | ||
| Age | 101 | - | -0.111 | 0.270 |
| Time to surgery | - | 0.117 | ||
| ≤ 24 h | 36 | 91.1 (15.9) | ||
| 25-72 h | 38 | 91.9 (13.4) | ||
| > 72 h | 27 | 97.5 (3.8) | ||
| Mechanism of injury | - | 0.182 | ||
| Fall | 69 | 91.6 (14.9) | ||
| MVC | 16 | 97.4 (4.7) | ||
| Other | 16 | 95.6 (6.2) | ||
| Surgical technique | 0.099 | |||
| ACDF | 40 | 96.5 (6.1) | ||
| ACDF+Lami | 16 | 91.3 (9.5) | ||
| Lami | 45 | 90.8 (17.2) | ||
| Level of maximum pressure | - | 0.436 | ||
| C3/4 | 53 | 94.7 (6.8) | ||
| C4/5 | 28 | 91.1 (15.6) | ||
| Other | 20 | 91.9 (19.5) | ||
| Maximum canal compromise | 101 | - | 0.029 | 0.777 |
| Number of stenotic segments | 101 | - | -0.131 | 0.191 |
| IMLL | 101 | - | -0.058 | 0.564 |
| Number of signals | 101 | - | -0.195 | 0.051 |
| Admission AMS | 101 | - | 0.553 | <0.0001 |
SD, standard deviation; MVC, motor vehicle collision; ACDF, anterior cervical discectomy and fusion; ACDF+Lami, ACDF + laminectomy; IMLL, intramedullary lesion length; AMS, American Spinal Injury Association (ASIA) motor score.