Table 1.

Patient characteristics (n = 42)

Number of patients	Prostate (n = 33)	Prostate bed (n = 9)	Total (n = 42)
Age
Mean	67.2	59.63	65.5
Median [range]	66.5 [56;77]	62 [49;66]	64 [49;77]
OMS
0	28	9	37 (88%)
1	4	0	4 (10%)
2	1	0	1 (2%)
>2	0	0	0
Initial PSA (ng/ml)
Median [range]	12.9 [3;120]	7.6 [5;15]	10.1 [3;120]
PSA nadir (ng/ml)
Median [range]	0.5 [0.01;1.8]	0.6 [0.01;0.6]	0.3 [0.01;1.8]
Initial Gleason score
6	8	2	10 (25%)
7	17	6	23 (58%)
8	4	1	5 (13%)
9	2	0	2 (5%)
Initial disease category: D’Amico group
Low	5	1	6 (16%)
Intermediate	10	5	15 (36%)
High	18	3	21 (48%)
Initial treatment:
ADT	28	6	34 (84%)
RT 3D	26	9	35 (83%)
RT IMRT	2	0	5 (12%)
brachytherapy	2	0	2 (5%)
Initial RT dose:
Median [range] (months)	74 [70;76]	68 [65;70]	74 [65;76]
Interval between initial RT and reirradiation
Median [range] (months)	65 [29;204]	128 [54;207]	82.5 [29;207]