Table 1.

Patient characteristics

Characteristic	Value
Patients, n	100
Lesions, n	465
Lesions per patient
Median [range]	4 [2–18]
2–4	60
5–8	29
≥9	11
Sex, n
Male	42
Female	58
Median age, [range] years	56 [24–89]
Primary tumor
Lung	43
Breast	26
Melanoma	21
Renal	6
Other	4
Median tumor size, [range] mm	20 [5–43]
Recursive partitioning analysis class
I	7
II	47
III	46
Median dose, Gy [range]	20 [15–50]
Fractions
Median [range]	1 [1–5]
1	88
≥2	12