Table 2 Univariate analysis of MRI features in the derivation group (%)

CCL (mm)^a

20.5 (13.0–32.0)

12.0 (6.0–17.0)

 < 0.001

Frank EPE

45.2 (19/42)

14.1 (14/99)

 < 0.001

Capsular irregularity or bulge

71.4 (30/42)

41.4 (41/99)

0.002

Apex abutting

42.9 (18/42)

18.2 (18/99)

0.004

Neurovascular bundle asymmetry

19.0 (8/42)

9.1 (9/99)

0.168

Obliteration of rectoprostatic angle

2.4 (1/42)

2.0 (2/99)

1.000