Table 3 Diagnostic indices of various sequences of multiparametric prostate MRI for lesions located at the peripheral zone

PIRADS score based on T2 sequence only (4 and 5 only as malignant)

Benign

7

8

malignant

3

27

PIRADS score based on T2 sequence only (3, 4 and 5 only as malignant)

Benign

3

2

Malignant

7

33

PIRADS score based on diffusion sequence only (4 and 5 only as malignant)

Benign

10

14

Malignant

0

21

PIRADS score based on diffusion sequence only (3, 4 and 5 only as malignant)

Benign

2

2

Malignant

8

33

PIRADS score based on T2 and diffusion sequences only (biparametric) (4 and 5 only as malignant)

Benign

10

14

Malignant

0

21

PIRADS score based on T2 and diffusion sequences only (biparametric) (3, 4 and 5 only as malignant)

Benign

2

2

Malignant

8

33

PIRADS score based on contrast enhanced sequence only

Benign

8

14

Malignant

2

21

PIRADS score (multiparametric) (4 and 5 only as malignant)

Benign

8

6

Malignant

2

29

PIRADS score (multiparametric) (3, 4 and 5 only as malignant)

Benign

2

2

Malignant

8

33