Table 3.
Relationship between qualitative variables and clinical outcomes
| Variable | Clinical outcomes | Statistical Analysis | ||
|---|---|---|---|---|
| Favorable outcome N (%) |
Unfavorable outcome N (%) |
|||
| Sex | Male | 149 (80.5) | 36 (19.5) | P = 0.325 |
| Female | 118 (81.9) | 26 (18.1) | ||
| Number of laminectomy levels (n) | ≤ 3 | 115 (83.9) | 22 (16.1) | P = 0.237 |
| > 3 | 152 (79.2) | 40(20.8) | ||
| Signal changes in MRI | No change in signal intensity | 74 (96.1) | 3 (3.9) | * P < 0.001 |
| Signal change on T1- + T2-weighted images | 105 (71.9) | 41 (28.1) | ||
| Signal change on T2-weighted images | 88 (83.00) | 18(17.00) | ||
| Smoking | Yes | 77 (81.3) | 18(18.8) | P = 0.401 |
| No | 190(81.2) | 44 (18.8) | ||
| Diabetes Mellitus | Yes | 75 (75.00) | 25 (25.00) | P = 0.163 |
| No | 192 (83.8) | 37 (16.2) | ||