Skip to main content

Table 4 Diagnostic performance of preoperative TRUS and mpMRI for detection of seminal vesicle invasion in the studied 58 patients

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

Cancer site (number)

TRUS

mpMRI

Histopathology

 

Test + ve

Test − ve

Test + ve

Test − ve

 
 

2

3

5

0

5

True + ve

 

4

49

1

52

53

True − ve

Sensitivity (%)

40.00 (95% CI 05.27–85.34)

100 (95% CI 47.82–100)

 

Specificity (%)

92.45 (95% CI 81.79–97.91)

98.11 (95% CI 89.93–99.95)

 

Positive predictive value (%)

33.33 (95% CI 04.33–77.72)

83.33 (95% CI 35.88–99.58)

 

Negative predictive value (%)

94.23 (95% CI 84.05–98.79)

100 (95% CI 93.15–100)

 

Positive likelihood ratio

05.30 (95% CI 01.27–22.11)

53.00 (95% CI 7.61–369.34)

 

Negative likelihood ratio

00.65 (95% CI 00.32–01.33)

0.00

 

AUC

00.66 (95% CI 00.53–00.78)

0.99 (95% CI 0.92–1.00)

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