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. 2018 Dec 20;6(5):346–353. doi: 10.1093/nop/npy053

Table 2.

Summary of Treatment Outcomes for all Included Studies and for Studies that Delivered hSRT in 2-5 Fractions

Outcome All Included Studies (n = 14; Pts = 630) Studies with hSRT in 2-5 Fractions (n = 9; Pts = 331)
% n Pts % n Pts
Clinical Response
Median 45 43
Range 18-87 11 482 18-87 7 275
Mean 51 46
Radiographic Response
Median 14 22
Range 6-41 10 469 9-41 6 262
Mean 19 23
Radiographic Stability
Median 78 70
Range 59-92 10 469 59-90 6 262
Mean 76 71
Crude Local Control
Median 100 100
Range 90-100 10 407 90-100 8 312
Mean 97 97
3-Year PFS
Median 92 94
Range 89-100 3 254 89-100 2 162
Mean 94 94
5-Year PFS
Median 88 90
Range 81-98 4 323 87-93 2 174
Mean 89 90

Abbreviations: hSRT, hypofractionated stereotactic radiotherapy; PFS, progression-free survival; Pts, patients.