Table 3. Multivariate analysis of survival outcomes in patients with SVZ-involved tumors.

Predictor	p	HR	95% CI
PFS
Age ≥40 years	0.014	2.430	1.199–4.927
Volume ≥60 cm3	0.076	1.998	0.930–4.293
<GTR	0.013	4.526	1.373–14.915
OS
Age ≥40 years	0.042	2.192	1.030–4.665
Volume ≥60 cm3	0.029	2.461	1.094–5.531
CS ≤30 mm	0.039	2.260	1.042–4.904
<GTR	0.025	5.273	1.235–22.511

CI, confidence interval; CS, the shortest distance from the tumor centroid to the edge of the lateral ventricles; GTR, gross total resection; HR, hazard ratio; OS, overall survival; PFS, progression-free survival; SVZ, subventricular zone.