Reader Pairs | mNY | SIJ Right Grades 0–4 | SIJ Left Grades 0–4 | Erosion | Sclerosis | Ankylosis | Joint Space Widening | Joint Space Narrowing |
---|---|---|---|---|---|---|---|---|
Mean of 21 reader pairs | 0.39 | 0.33 | 0.33 | 0.22 | 0.28 | 0.34 | 0.12 | 0.21 |
84.1 (7.7/76.4) | N/A | N/A | 67.9 (9.6/58.2) | 62.9 (31.6/31.3) | 91.8 (2.1/89.7) | 86.8 (1.8/85.0) | 74.4 (7.1/67.3) | |
2 MSK radiologists | 0.46 (0.26–0.64) | 0.42 (0.29–0.53) | 0.33 (0.17–0.46) | 0.16 (0.04–0.29) | 0.41 (0.24–0.58) | 0.42 (0.12–0.67) | 0.21 (−0.02 to 0.44) | 0.26 (0.07–0.45) |
79.8 (14.4/65.4) | N/A | N/A | 51.0 (18.3/32.7) | 71.2 (48.1/23.1) | 89.4 (4.8/84.6) | 81.7 (3.8/77.9) | 66.3 (17.3/49.0) | |
MSK radiologist 1 vs most experienced rheumatologist | 0.36 (0.14–0.56) | 0.28 (0.14–0.41) | 0.23 (0.10–0.35) | 0.05 (−0.05–0.14) | 0.26 (0.08–0.42) | 0.34 (0.00–0.66) | −0.01 (−0.12 to 0.16) | 0.37 (0.16–0.53) |
77.9 (10.6/67.3) | N/A | N/A | 42.3 (9.6/32.7) | 64.4 (45.2/19.2) | 93.3 (1.9/91.3) | 77.9 (1.0/76.9) | 72.1 (17.3/54.8) | |
MSK radiologist 2 vs most experienced rheumatologist | 0.55 (0.33–0.75) | 0.49 (0.33–0.62) | 0.47 (0.30–0.61) | 0.42 (0.19–0.64) | 0.44 (0.26–0.62) | 0.26 (0.00–0.57) | 0.08 (−0.08 to 0.36) | 0.37 (0.16–0.55) |
86.5 (11.5/75.0) | N/A | N/A | 83.7 (8.7/75.0) | 72.1 (39.4/32.7) | 90.4 (1.9/88.5) | 88.5 (1.0/87.5) | 75.0 (14.4/60.6) | |
2 senior rheumatologists | 0.34 (0.08–0.59) | 0.23 (0.08–0.37) | 0.28 (0.13–0.41) | 0.07 (−0.11 to 0.25) | 0.13 (0.01–0.26) | 0.12 (0.00–0.32) | 0.36 (0.09–0.59) | 0.37 (0.06–0.64) |
84.6 (5.8/78.8) | N/A | N/A | 58.7 (10.6/48.1) | 50.0 (19.2/30.8) | 87.5 (1.0/86.5) | 86.5 (4.8/81.7) | 87.5 (4.8/82.7) | |
2 junior rheumatologists | 0.27 (−0.02 to 0.56) | 0.30 (0.15–0.46) | 0.26 (0.11–0.41) | 0.35 (0.06–0.60) | 0.22 (0.10–0.35) | 0.27 (0.00–0.67) | −0.02 (−0.04 to 0.00) | 0.21 (−0.03 to 0.45) |
87.5 (2.9/84.6) | N/A | N/A | 88.5 (3.8/84.6) | 56.7 (20.2/36.5) | 95.2 (1.0/94.2) | 96.2 (0.0/96.2) | 82.7 (3.8/78.8) |
mNY: modified New York criteria; SIJ: sacroiliac joint; MSK: musculoskeletal; N/A: not applicable.