. Author manuscript; available in PMC: 2022 Mar 23.

Published in final edited form as: J Magn Reson Imaging. 2020 Jun 1;52(5):1499–1507. doi: 10.1002/jmri.27204

TABLE 3.

Agreement Between AI-Generated PI-RADS Score and Radiologist-Generated PI-RADS Score for 307 Lesions in 205 Patients in the Validation and Test Sets

Radiologist PI-RADS score	Validation		Test		Validation + test
Radiologist PI-RADS score	Correct validation	Validation ± 1	Correct test	Test ± 1	Correct overall	Overall ± 1
2	0/25 (0%)	9/25 (36%)	2/10 (20%)	6/10 (60%)	2/35 (6%)	15/35 (43%)
3	29/51 (57%)	45/51 (88%)	11/26 (42%)	24/26 (92%)	40/77 (52%)	69/77 (90%)
4	51/79 (65%)	74/79 (94%)	15/30 (50%)	29/30 (97%)	66/109 (52%)	103/109 (95%)
5	44/57 (77%)	50/57 (88%)	25/29 (86%)	27/29 (93%)	69/86 (80%)	77/86 (90%)
Overall	124/212 (38%)	178/212 (84%)	53/95 (56%)	86/95 (91%)	177/307 (58%)	264/307 (86%)