Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Radiol. Jan 28, 2022; 14(1): 19-29
Published online Jan 28, 2022. doi: 10.4329/wjr.v14.i1.19
Table 3 Percentage reader agreement with the reference standard for American College of Radiology Thyroid Imaging Reporting and Data System levels
ACR TI-RADS levelRS, nR1 pre, n (%)R1 post, n (%)R2 pre, n (%)R2 post, n (%)R3 pre, n (%)R3 post, n (%)
1111 (9.1)5 (45.5)1 (9.1)7 (63.6)10 (90.9)8 (72.7)
293 (33.3)4 (44.4)0 (0)4 (44.4)3 (33.3)3 (33.3)
394 (44.4)5 (55.5)1 (11.1)6 (66.7)4 (44.4)6 (66.7)
4134 (30.8)5 (38.5)5 (38.5)9 (69.2)5 (38.5)5 (38.5)
587 (87.5)4 (50)6 (75)5 (62.5)3 (37.5)3 (37.5)