Table 1.

Patient clinical and treatment characteristics.

Clinical and treatment characteristics	Median (range)/n (%)
Age	62.5 (31–85)
Sex
Male	83 (91%)
Female	8 (9%)
Smoking history
No	37 (40%)
Smoking < 30 years	8 (9%)
Smoking ≥ 30 years	46 (51%)
Stage
1	0
2	3 (3%)
3	63 (69%)
4	25 (28%)
Prescription dose	60 (40–66) Gy
Prescription dose per fraction	2 (1.5–2.75) Gy
RP grade
0	52 (57%)
1	24 (26%)
2	9 (10%)
3	6 (7%)
4	0