From: Stereotactic body radiotherapy for organ-confined prostate cancer
 | Percent (Number) of patients achieving specified PSA nadir | ||||
---|---|---|---|---|---|
35 Gy | 6 months (40 patients) | 12 months (38 patients) | 18 months (28 patients) | 24 months (43 patients) | 30 months (32 patients) |
< 1 ng/mL | 48% (19) | 55% (21) | 57% (16) | 88% (38) | 88% (28) |
< .5 ng/mL | 15% (6) | 37% (14) | 46% (13) | 65% (28) | 75% (24) |
36.25 Gy | 6 months (148 patients) | 12 months (133 patients) | 18 months (43 patients) | 24 months (21 patients) | Â |
< 1 ng/mL | 35% (53) | 45% (60) | 76% (33) | 81% (17) | Â |
< .5 ng/mL | 19% (29) | 26% (34) | 51% (22) | 66% (14) | Â |