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Table 1 Summary of demographic characteristics and treatment parameters of 64 patients

From: CyberKnife multisession stereotactic radiosurgery and hypofractionated stereotactic radiotherapy for perioptic meningiomas: intermediate-term results and radiobiological considerations

	Male	29
	Female	35
Age (yr)	Median	62
Age (yr)	Range	23-84
Pre-treatment	Surgery	36
Pre-treatment	Radiotherapy	7
Target	Median Volume	7.4 cc (range 0.3-44.4 cc)
	Median Marginal Dose	25Gy (range 18-40Gy)
	Median Isodose line	75% (range 62-82%)
	Median BED	87.5 Gy₂ (range 72–120)
	Number of Fractions	Number of patients (%)
	2	1 (1.6)
	3	13 (20.3)
	4	3 (4.7)
	5	40 (62.5)
	9	1 (1.6)
	10	3 (4.7)
	15	3 (4.7)

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