Table 2 Patients characteristics

Patients (n)

105

112

Age (median)

72

71

0.913

Baseline Gleason score

>7

40

42

0.384

<=7

65

70

0.765

Initial PSA level (ng/mL)

Mean

8.6

9.2

0.682

Range

0.72- 58.4

0.59 – 62.8

Risk stratification

Low risk

38

35

0.424

Intermediate Risk

44

40

0.485

High Risk

40

30

0.827

Androgen treatment

84

70

0.938

Follow-up (mo)

3 months

3 months

Mean rectal volume (cm3)

60.8 + −2.9

59.7 + −2.7

0.512

Mean bladder volume (cm3)

262.0 + −16.5

258.9 + − 17.7

0.239

PTV Mean total volume (cm3)

167.5 + − 30.5

162.8 + − 31.2

0.114