Table 3.
Variable | All Patients (n = 129) |
Elderly (n = 46) |
Non-Elderly (n = 83) |
p-Value |
---|---|---|---|---|
Time from diagnosis to surgery (months) | 1.3 (0.03–36) | 0.5 (0.03–36) | 1.8 (0.03–30) | 0.005 |
Laminectomy range (levels) | 3 (1–6) | 3 (1–6) | 2 (1–5) | 0.803 |
Laminoplasty | 35 (27%) | 9 (20%) | 26 (31%) | 0.150 |
Simpson grade | ||||
Simpson grade 1 | 0 (0%) | 0 (0%) | 0 (0%) | - |
Simpson grade 2 | 92 (71%) | 32 (70%) | 60 (72%) | 0.743 |
Simpson grade 3 | 17 (13%) | 6 (13%) | 11 (13%) | 0.973 |
Simpson grade 4 | 20 (16%) | 8 (17%) | 12 (14%) | 0.194 |
Simpson grade 5 | 0 (0%) | 0 (0%) | 0 (0%) | - |
Histopathological data | ||||
Meningioma WHO grade 1 | 127 (98%) | 45 (98%) | 82 (99%) | 0.670 |
Meningioma WHO grade 2 | 2 (1.5%) | 1 (2.2%) | 1 (1.2%) | - |
Meningioma WHO grade 3 | 0 (0%) | 0 (0%) | 0 (0%) | - |
MIB1-index (%) | 4.5 (0–20) | 4.8 (1.0–20) | 4.0 (0–15) | 0.944 |
Postoperative radiotherapy | 1 (0.8%) | 1 (2.2%) | 0 (0%) | - |
Postoperative chemotherapy | 0 (0%) | 0 (0%) | 0 (0%) | - |
Data presented as median (range) or count (proportion). Bold text indicates a statistically significant correlation (p < 0.05). Abbreviation: WHO = World Health Organization.