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Table 2 Data from Grayscale US, CDUS, CEUS and SE analyses of PCa and non-PCa nodules

From: Multiparametric transrectal ultrasound for the diagnosis of peripheral zone prostate cancer and clinically significant prostate cancer: novel scoring systems

Characteristic Non-PCa PCa P
Grayscale US    
Echogenicity, n (%)    0.138
 Hypoechoic 46 (40.4) 68 (59.6)  
 Other echo 7 (70.0) 3 (30.0)  
Margin, n (%)    < 0.001
 Clear 22 (95.7) 1 (4.3)  
 Unclear 31 (30.7) 70 (69.3)  
Distribution, n (%)    < 0.001
 Even 32 (65.3) 17 (34.7)  
 Uneven 21 (28.0) 54 (72.0)  
Demarcation of internal and external glands, n (%)    0.031
 Clear 46 (47.9) 50 (52.1)  
 Unclear 7 (25.0) 21 (75.0)  
 Nodule size (mm) 13.00 ± 7.26 15.52 ± 8.81 0.084
CDUS    
 Adler grade, n (%)    < 0.001
 Adler II–III 16 (22.2) 56 (77.8)  
 Adler 0–I 37 (71.2) 15 (28.8)  
CEUS    
Enhancement patterns, n (%)    < 0.001
 Synchronous wash-in or out, equal enhancement 39 (84.8) 7 (15.2)  
 Other patterns 14 (17.9) 64 (82.1)  
SE    
SR 38.83 80.17 < 0.001
  1. Other patterns included early wash-in or wash-out and high or low enhancement; late wash-in or wash-out and high or low enhancement
  2. TRUS transrectal ultrasound, US ultrasound, CEUS contrast-enhanced ultrasound, PCa prostate cancer