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Table 3 Comparison of mpMRI and bpMRI for diagnosing prostate lesions

From: Comparison of biparametric and multiparametric MRI in the diagnosis of prostate cancer

 mpMRIbpMRIP
<  4 (n = 98)≥ 4 (n = 137)<  4 (n = 107)≥ 4 (n = 128)
Non-PCa, n (%)79 (80.6)34 (24.8)82 (76.6)31 (24.2) 
PCa, n (%)19 (19.4)103 (75.2)25 (23.4)97 (75.8)
Accuracy 77.4 (71.7–82.3) 76.2 (70.3–81.2) 
Sensitivity 84.4 (76.8–90.4) 79.5 (71.3–86.3) 
Specificity 69.9 (60.6–78.2) 72.6 (63.4–80.5) 
PPV 75.2 (67.1–82.2) 75.8 (67.4–82.9) 
NPV 80.6 (71.3–87.9) 76.6 (67.5–84.3) 
AUC 0.791 (0.733–0.841) 0.790 (0.732–0.840)0.760*
Non-csPCa, n (%)86 (87.8)50 (36.5)91 (85.0)45 (35.2) 
csPCa, n (%)12 (12.2)87 (63.5)16 (15.0)83 (64.8) 
Accuracy 73.6 (67.6–78.9) 74.0 (68.1–79.2) 
Sensitivity 87.9 (79.8–93.6) 83.8 (75.1–90.5) 
Specificity 63.2 (54.5–71.3) 66.9 (58.3–74.7) 
PPV 63.2 (54.9–71.6) 64.8 (55.9–73.1) 
NPV 87.8 (79.6–93.5) 85.0 (76.8–91.2) 
AUC 0.779 (0.721–0.831) 0.781 (0.722–0.832)0.753*
  1. The accuracy, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) are presented as (%, [95% confidence interval]); the areas under the curve (AUCs) are presented with 95% confidence intervals
  2. *Delong test was used to compare the AUCs of bpMRI and mpMRI