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Table 2 Diagnostic indices of biparametric and multiparametric prostate MRI

From: Diagnostic accuracy of the different pulse sequences of multi-parametric prostate MRI in the diagnosis of prostate cancer in the peripheral and transitional zones

All

Pathology

      
 

Benign

 

Malignant

 

Sensitivity

Specificity

PPV

NPV

Accuracy

 

N

%

N

%

     

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

Benign

8

28.6

2

4.2

95.83%

28.57%

69.70%

80.00%

71.05%

 

Malignant

20

71.4

46

95.8

     

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

Benign

8

28.6

2

4.2

95.83%

28.57%

69.70%

80.00%

71.05%

 

Malignant

20

71.4

46

95.8

     

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

Benign

28

100.0

19

39.6

60.42%

100.00%

100.00%

59.57%

75.00%

 

Malignant

0

0.0

29

60.4

     

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

Benign

26

92.9

11

22.9

77.08%

92.86%

94.87%

70.27%

82.89%

 

Malignant

2

7.1

37

77.1

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