Outcome of Elderly Patients with Meningioma after Image-Guided Stereotactic Radiotherapy: A Study of 100 Cases

Table 1

Patient characteristics.

	Overall collective
	()
	Median	Min/max
Age with beginning of RT	71	65/87
Tumor volume	6.4	0.26/86.39
		%
Gender
m	36	36.7
f	62	63.3
Location
Skull base	78	79.6
Falx/parasagittal	8	8.2
Convexity	12	12.2
WHO grading
n/a	77	77.6
WHO 1	8	8.2
WHO 2	8	8.2
WHO 3	5	5.1
Prior surgery
Primary RT	61	62.2
Adjuvant RT	37	37.8
Peritumoral edema
Yes	4	4.1
Multiple meningiomas
Yes	26	26.5
Fractionation scheme
FSRT	50	51
hFSRT	38	38.8
SRS	10	10.2
	Median	Min/max
FSRT total dose (Gy)	56.5	28.8/72
hFSRT total dose (Gy)	36.3	30/42
SRS total dose (Gy)	17.6	13.5/21.4
Follow-up time in months	37	1/132