Table 3.
Results MR readout readers 1 and 2
| n = 65 | Score |
n (%) Reader 1/reader 2 |
||||
|---|---|---|---|---|---|---|
| Region I | Region II | Region III | Region IV | Region V | ||
| Soft tissue edema | ||||||
| None | 0 | 19 (29.2)/15 (23.1) | 2 (3.1)/2 (3.1) | 2 (3.1)/2 (3.1) | 21 (32.3)/23 (35.4) | 51 (78.5)/58 (89.2) |
| Mild | 1 | 29 (44.6)/33 (50.8) | 22 (33.8)/21 (32.3) | 32 (49.2)/33 (50.8) | 37 (56.9)/35 (53.8) | 12 (18.5)/5 (7.7) |
| Moderate | 2 | 9 (13.8)/9 (13.8) | 19 (29.2)/22 (33.8) | 23 (35.4)/22 (33.8) | 6 (9.2)/5 (7.7) | 2 (3.1)/2 (3.1) |
| Severe | 3 | 8 (12.3)/8 (12.3) | 22 (33.8)/20 (30.8) | 8 (12.3)/8 (12.3) | 1 (1.5)/2 (3.1) | 0/0 |
| Bone erosion | ||||||
| None | 0 | 60 (92.3)/62 (95.4) | 14 (21.5)/13 (20.0) | 24 (36.9)/24 (36.9) | 55 (84.6)/53 (81.5) | NA |
| 1–33% | 1 | 5 (7.7)/3 (4.6) | 22 (33.8)/20 (30.8) | 24 (36.9)/24 (36.9) | 8 (12.3)/6 (9.2) | NA |
| 34–66% | 2 | 0/0 | 10 (15.4)/13 (20.0) | 11 (16.9)/11 (16.9) | 1 (1.5)/5 (7.7) | NA |
| 67–100% | 3 | 0/0 | 19 (29.2)/19 (29.2) | 6 (9.2)/6 (9.2) | 1 (1.5)/1 (1.5) | NA |
| Bone marrow edema | ||||||
| None | 0 | 38 (58.5)/48 (73.8) | 5 (7.7)/8 (12.3) | 3 (4.6)/4 (6.2) | 29 (44.6)/32 (49.2) | 52 (80.0)/57 (87.7) |
| 1–33% | 1 | 25 (38.5)/15 (23.1) | 23 (35.4)/23 (35.4) | 24 (36.9)/22 (33.8) | 26 (40.0)/21 (32.3) | 13 (20.0)/8 (12.3) |
| 34–66% | 2 | 2 (3.1)/2 (3.1) | 13 (20.2)/11 (16.9) | 25 (38.5)/27 (41.5) | 7 (10.8)/9 (13.8) | 0/0 |
| 67–100% | 3 | 0/0 | 24 (36.9)/23 (35.4) | 13 (20.2)/12 (18.5) | 3 (4.6)/3 (4.6) | 0/0 |
| Subchondral cysts | ||||||
| None | 0 | 63 (96.9)/62 (95.4) | 37 (56.9)/35 (53.8) | 33 (50.8)/34 (52.3) | 53 (81.5)/54 (83.1) | NA |
| 1–33% | 1 | 2 (3.1)/3 (4.6) | 26 (40.0)/28 (43.1) | 30 (46.2)/28 (43.1) | 11 (16.9)/10 (15.4) | NA |
| 34–66% | 2 | 0/0 | 2 (3.1)/2 (3.1) | 2 (3.1)/3 (4.6) | 1 (1.5)/1 (1.5) | NA |
| 67–100% | 3 | 0/0 | 0/0 | 0/0 | 0/0 | NA |
| Joint destruction | ||||||
| None | 0 | 61 (93.8)/63 (96.9) | 26 (40.0)/27 (41.5) | 31 (47.7)/26 (40.0) | 55 (84.6)/54 (83.1) | NA |
| 1–33% | 1 | 4 (6.2)/2 (3.1) | 10 (15.4)/8 (12.3) | 18 (27.7)/23 (35.4) | 7 (10.8/7 (10.8) | NA |
| 34–66% | 2 | 0/0 | 14 (21.5)/14 (21.5) | 9 (13.8)/8 (12.3) | 2 (3.1)/3 (4.6) | NA |
| 67–100% | 3 | 0/0 | 15 (23.1)/16 (24.6) | 7 (10.8)/8 (12.3) | 1 (1.5)/1 (1.5) | NA |
| Fracture* | ||||||
| None | 0 | 61 (93.8)/61 (93.8) | 59 (90.8)/60 (92.3) | 63 (96.9)/62 (95.4) | 64 (98.5)/64 (98.5) | 65 (100)/65 (100) |
| Yes | 3 | 4 (6.2)/4 (6.2) | 6 (9.2)/5 (7.7) | 2 (3.1)/3 (4.6) | 1 (1.5)/1 (1.5) | 0/0 |
| Regional manifestation | ||||||
| None | 0 | 52 (80.0)/58 (89.2) | 5 (7.7)/6 (9.2) | 4 (6.2)/6 (9.2) | 45 (69.2)/50 (76.9) | 59 (90.8)/63 (96.9) |
| Mild | 1 | 10 (15.4)/4 (6.2) | 21 (32.3)/21 (32.3) | 30 (46.2)/31 (47.7) | 12 (18.5)/8 (12.3) | 6 (9.2)/2 (3.1) |
| Moderate | 2 | 3 (4.6)/3 (4.6) | 14 (21.5)/15 (23.1) | 22 (33.8)/18 (27.7) | 5 (7.7)/5 (7.7) | 0/0 |
| Severe | 3 | 0/0 | 25 (38.5)/23 (35.4) | 9 (13.8)/10 (15.4) | 3 (4.6)/2 (3.1) | 0/0 |
* defined as clearly visible fracture line outside the joint surface area