Table 2.
Multivariate analyses of risk factors for progression in 135 patients with SM (left) and 95 cases with MM (right). Only high-grade histology remained significantly correlated with progression in both cohorts
| Singular meningiomas | Multiple meningiomas | |||
|---|---|---|---|---|
| Variable | HR, 95%CI | p value | HR, 95%CI | p value |
| Sex: male vs female (ref.) | 1.03, .38–2.82 | .509 | .93, .25–3.50 | .992 |
| Age at surgery (in years) | .90, .96–1.02 | .539 | 1.00, .99–1.05.918 | .551 |
| Tumor location: convexity (ref.) | n.s | |||
| Parasagittal | 1.91, .59–6.21 | .279 | 1.10, .013–9.54 | .933 |
| Skull base | 1.38, .44–4.31 | .580 | .74, .18–3.12 | .686 |
| Spinal | 1.03, .19–5.49 | .972 | 3.03, .165–55.68 | .455 |
| Other | n/a | n/a | n/a | n/a |
| WHO grade II/III vs I (ref) | 3.53, 1.53–8.14 | .003 | 11.59, 3.97–33.86 | < .001 |
| Extent of resection: STR vs GTR (ref.) | 1.85, .53–6.42 | .332 | 3.09, .820–11.62 | .096 |