Interobserver and intermodality diagnostic agreement
| Diagnostic Agreementa | Agreement Ratiob | Disagreement Ratiob | Undetermined Diagnosisc | |
|---|---|---|---|---|
| DSAd | 0.643 (0.458–0.828) | 73.0% (27/37) | 27.0% (10/27) | 5.41 %/16.22 % |
| HR-MRd | 0.818 (0.670–0.966) | 86.5% (32/37) | 13.5% (5/37) | 2.70 %/5.41 % |
| Observer 1e | 0.704 (0.528–0.881) | 78.4% (29/37) | 21.6% (8/37) | |
| Observer 2e | 0.579 (0.390–0.768) | 67.6% (25/37) | 32.4% (12/37) |
↵a Agreement refers to κ values between DSA and HR-MR, and data in parentheses indicate 95% confidence intervals.
↵b Data in parentheses indicate the numbers of agreed or disagreed cases compared with the total number of cases in the diagnosis.
↵c The proportions of undetermined diagnosis for observer 1/observer 2.
↵d Interobserver agreement between observer 1 and observer 2.
↵e Intermodality agreement between DSA and HR-MR.