Table 5.
Comparison of factors affecting patient outcomes
| Variable | Improved (n = 19) | Not-improved (n = 10) | All (n = 29) | p-value | |
|---|---|---|---|---|---|
| Age (yr) | 50.8 ± 9.1 | 34.4 ± 16.5 | 45.7 ± 14.3 | 0.009 | |
| Sex | 0.914 | ||||
| Female | 8 (42.1) | 4 (40.0) | 12 (41.4) | ||
| Male | 11 (57.9) | 6 (60.0) | 17 (58.6) | ||
| Location | 0.624 | ||||
| Cervical | 9 (47.4) | 3 (30.0) | 12 (41.4) | ||
| Thoracic | 8 (42.1) | 7 (70.0) | 15 (51.7) | ||
| Cervicomedullary junction | 2 (10.5) | 0 (0) | 2 (6.9) | ||
| Size (mm) | 9.8 ± 4.2 | 9.9 ± 4.4 | 9.7 ± 4.2 | 0.926 | |
| Symptom type | 0.128 | ||||
| Pain | 4 (21.1) | 0 (0) | 4 (13.8) | ||
| Weakness | 4 (21.1) | 0 (0) | 4 (13.8) | ||
| Sensory deficits | 3 (15.8) | 2 (20.0) | 5 (17.2) | ||
| Gait disturbance | 2 (10.5) | 3 (30.0) | 5 (17.2) | ||
| Bowel/bladder dysfunction | 6 (31.6) | 5 (50.0) | 11 (37.9) | ||
| Symptom duration (mo) | 30.1 (49.1) | 11.9 (22.4) | 23.8 (42.3) | 0.015 | |
| Clinical course prior to presentation | 0.003 | ||||
| A | 4 (21.1) | 8 (80.0) | 12 (41.4) | ||
| C | 13 (68.4) | 2(20.0) | 15 (51.7) | ||
| M | 2 (10.5) | 0 (0) | 2 (6.9) | ||
| MMcS on presentation | 0.035 | ||||
| 1 | 3 (15.8) | 1 (10.0) | 4 (13.8) | ||
| 2 | 9 (47.4) | 1 (10.0) | 10 (34.5) | ||
| 3 | 5 (26.3) | 3 (30.0) | 8 (27.6) | ||
| 4 | 0 (0) | 3 (30.0) | 3 (10.3) | ||
| 5 | 2 (10.5) | 2 (20.0) | 4 (13.8) | ||
| Prior hemorrhage by history | 0.530 | ||||
| No | 8 (42.1) | 3 (30.0) | 11 (37.9) | ||
| Yes | 11 (57.9) | 7 (70.0) | 18 (62.1) | ||
| Recurrent hemorrhages by history | 0.016 | ||||
| No | 16 (84.2) | 4 (40.0) | 20 (69.0) | ||
| Yes | 3 (15.8) | 6 (60.0) | 9 (31.0) | ||
Values are presented as mean±standard deviation or number (%).
MMcS, modified McCormick scale.