Skip to main content

Table 2 Diagnostic performance of preoperative TRUS and mpMRI for localization of prostate cancer in the 348 segmental regions in the studied 58 patients

From: Feasibility of multi-parametric magnetic resonance imaging in detection and local staging of prostatic carcinoma

 

TRUS

mpMRI

Histopathology

Cancer site (number)

 Right base

40

49

47

 Right mid-zonal

31

43

43

 Right apex

1

6

4

 Left base

12

27

27

 Left mid-zonal

7

18

18

 Left apex

0

4

4

 Total

89

147

143

 

Test + ve

Test − ve

Test + ve

Test − ve

 
 

82

61

142

1

143

True + ve

 

7

198

5

200

205

True − ve

Sensitivity (%)

57.34 (95% CI 48.81–65.57)

99.30 (95% CI 96.17–99.98)

 

Specificity (%)

96.59 (95% CI 93.09–98.62)

97.56 (95% CI 94.40–99.20)

 

Positive PV (%)

92.13 (95% CI 84.46–96.78)

96.60 (95% CI 92.24–98.89)

 

Negative PV (%)

76.45 (95% CI 70.80–81.48)

99.50 (95% CI 97.26–99.99)

 

Positive LHR

16.79 (95% CI 08.00–35.26)

40.71 (95% CI 17.13–96.78)

 

Negative LHR

00.44 (95% CI 00.36–00.54)

00.01 (95% CI 00.00–00.05)

 

AUC

00.77 (95% CI 00.72–00.81)

00.98 (95% CI 00.96–00.99)

 
  1. AUC area under the curve, LHR likelihood ratio, mpMRI multi-parametric magnetic resonance imaging, PV predictive value