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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2014 Oct 8;90(5):1168–1176. doi: 10.1016/j.ijrobp.2014.08.008

Table 2.

SBRT Characteristics

Characteristic No. of Patients Median GTV size, cm3 (range)
BEDio ≥ 100 Gy 49 11.1 (0.7-110.8)
    60 Gy in 3 fx (BED10= 180) 4 10.7 (4.5-18.6)
    54 Gy in 3 fx (BED10= 151.2) 9 10.1 (0.7-44.7)
    48 Gy in 4 fx (BED10= 105.6) 21 8.4 (1.3-110.8)
    36 Gy in 2 fx (BED10= 100.8) 1 10.6 (10.6)
    50 Gy in 5 fx (BED10= 100) 14 15.2 (0.9-49.2)
BED10 < 100 Gy 76 17.0 (0.7-195.4)
    44 Gy in 4 fx (BED10= 92.4) 1 9.9 (9.9)
    45 Gy in 5 fx (BED10= 85.5) 56 13.0 (0.6-25.9)
    40 Gy in 4 fx (BED10= 80) 2 52.7 (32.6-72.8)
    36 Gy in 3 fx (BED10= 79.2) 1* 27.3 (27.3)
    40 Gy in 5 fx (BED10= 72) 6* 49.7 (6.1-71.9)
    30 Gy in 5 fx (BED10= 48) 7* 43.7 (19.4-186.6)
    Other* 3* 38.2 (5.2-105.1)
GTV size
    0-10cm3 46
    10-20cm3 36
    20-50cm3 27
    >50cm3 16

Median BED10 Gy (range) 85.5 (43.2-180)
Median PTV size, cm3 (range) 63.0 (17.3-401.7)
Median GTV size, cm3 (range) 13.1 (0.6-195.4)
*

Excluded from local failure analysis.

Abbreviations: BED10, Biologically equivalent dose for α/β = 10; PTV, planning treatment volume; GTV, gross tumor volume; Gy, gray; fx, fraction.