Skip to main content

Table 2 Interobserver agreement of MR sequences of PI-RARDS-v2

From: Interobserver agreement of Prostate Imaging–Reporting and Data System (PI-RADS–v2)

  Observer 1 Observer 2 K 95% P value Percent agreement
Peripheral zone
DWI
 1 5 (10.9) 6 (13.0)     
 2 7 (15.2) 7 (15.2) 0.78 0.62-0.94 0.001 86.96%
 3 6 (13.0) 7 (15.2)     
 4 28 (60.9) 26 (56.5)     
DCE       
Ve 16 (34.8) 18 (39.1) 0.91 0.83-0.99 0.001 96.0%
 +Ve 30 (65.2) 28 (60.9)     
Transitional zone
T2W
 1 7 (28.0) 7 (28.0)     
 2 4 (16.0) 4 (16.0)     
 3 4 (16.0) 3 (12.0) 0.95 0.84–1.0 0.001* 96.0%
 4 1 (4.0) 2 (8.0)     
 5 9 (36.0) 9 (36.0)     
DWI       
 2 7 (28.0) 7 (28.0)     
 3 4 (16.0) 4 (16.0) 0.94 0.84–1.0 0.001 96.0%
 4 6 (24.0) 7 (28.0)     
 5 8 (32.0.) 7 (28.0.)