Table 2.
Baseline data.
| Variables | All Patients (n = 129) |
Elderly (n = 46) |
Non-Elderly (n = 83) |
p-Value |
|---|---|---|---|---|
| Age (years) | 65 (23–94) | 76 (70–94) | 58 (23–69) | - |
| Male sex | 23 (18%) | 10 (22%) | 13 (16%) | 0.388 |
| ASA class | 2 (1–3) | 3 (2–3) | 2 (1–3) | 0.023 |
| Prior radiotherapy | 2 (1.6%) | 0 (0%) | 2 (2.4%) | - |
| Prior spinal surgery | 1 (0.8%) | 1 (2.2%) | 0 (0%) | - |
| Concurrent cranial meningioma | 8 (6%) | 2 (4%) | 6 (7%) | - |
| Neurofibromatosis type 2 | 1 (0.8%) | 0 (0%) | 1 (1.2%) | - |
| Neurological deficits | ||||
| Motor deficit | 85 (66%) | 36 (78%) | 49 (59%) | 0.027 |
| Sensory deficit | 82 (64%) | 35 (76%) | 47 (57%) | 0.028 |
| Gait disturbance | 79 (61%) | 35 (76%) | 44 (53%) | 0.010 |
| Bladder dysfunction | 45 (35%) | 16 (35%) | 29 (35%) | 0.986 |
| Pain | 66 (51%) | 19 (41%) | 47 (57%) | 0.095 |
| Modified McCormick scale (mMCs) | 2 (1–4) | 3 (1–4) | 2 (1–4) | <0.001 |
| mMCs 1 | 33 (26%) | 7 (15%) | 26 (31%) | - |
| mMCs 2 | 47 (36%) | 11 (24%) | 36 (43%) | - |
| mMCs 3 | 37 (29%) | 21 (46%) | 16 (19%) | - |
| mMCs 4 | 12 (9.3%) | 7 (15%) | 5 (6.0%) | - |
| mMCs 5 | 0 (0%) | 0 (0%) | 0 (0%) | - |
| Tumor level | ||||
| Cervical | 39 (30%) | 12 (26%) | 27 (33%) | 0.445 |
| Thoracic | 89 (69%) | 34 (74%) | 55 (66%) | - |
| Lumbar | 1 (0.8%) | 0 (0%) | 1 (1.2%) | - |
| Anterior tumor component | 30 (23%) | 14 (30%) | 16 (19%) | 0.151 |
| Tumor area (cm2) | 1.4 (0.2–4.5) | 1.4 (0.4–3.1) | 1.4 (0.2–4.5) | 0.689 |
| Spinal cord compression (%) | 69 (12–89) | 69 (20–89) | 69 (12–89) | 0.303 |
Data presented as median (range) or count (proportion). Bold text indicates a statistically significant correlation (p < 0.05). Abbreviations: ASA = American Society of Anesthesiologists; mMCs = modified McCormick scale.