Table 2 ADC and ADC-R characteristics of 128 prostatic sectors for low- and intermediate-risk group (Gleason 6 and 7) and high-risk group (Gleason 8 and 9)

*Number of patients

14 (64%)

8 (36%)

Age (years)

66 (56–76)

59 (46–76)

<0.001

PSA (ng/mL)

10.74 (3.5-25)

26 (14–100)

<0.001

ADC (mm²/sec)

0.88 × 10^-3 ± 0.13

0.73 × 10^-3 ± 0.17

<0.001

Normal central zone ADC (mm²/sec)

1.38 × 10^-3 ± 0.24

1.59 × 10^-3 ± 0.22

<0.001

Normal peripheral zone ADC (mm²/sec)

1.64 × 10^-3 ± 0.19

1.90 × 10^-3 ± 0.35

<0.001

ADC-CR

0.66 ± 0.17

0.48 ± 0.13

<0.001

ADC-PR

0.54 ± 0.09

0.41 ± 0.09

<0.001