Table 1. Absolute and relative frequencies of selected variables.

	Censored	Dead	Censored (%)	Dead (%)
Sex
female	30	15	66.67	33.33
male	23	20	53.49	46.51
Diagnosis
Meningioma	33	9	78.57	21.43
LG glioma	5	4	55.56	44.44
HG glioma	5	17	22.73	77.27
other	9	5	64.29	35.71
Location
infratentorial	15	4	78.95	21.05
supratentorial	38	31	55.07	44.93
Karnofsky index
KI≥ 80%	43	25	63.24	36.76
KI< 80%	10	10	50.00	50.00
Stereotactic methods
SRS	18	5	78.26	21.74
SRT	35	30	53.85	46.15