Table 3.

Prognostic factors in elderly patients with benign meningioma or VS treated with SRS

Factors	Tumor control	Freedom from toxicity (CTCAE)
	P value	P value
Age (> 70 vs. ≤ 70)	0.106	0.027a
Gender	0.431	0.149
Multimorbidity (≥ 2 co-morbidities)	0.248	0.166
Malignancy as co-morbidity	0.213	0.213
Irradiation system (LINAC vs. CK)	0.141	0.051
Tumor volume	0.080	0.056
Entity (VS vs. meningioma)	0.079	0.079
Radiation dose	0.324	0.753
Prescription isodose	0.261	0.200
Recurrence after pretreatment	< 0.001a	0.471

^aP values < 0.05 were considered significant