Table 1

Frequency of the different lesion types and number of lesions based on the agreement of ≥2/9 and the majority (≥5/9) readers

Lesion type and anatomic lesion localisationNumber (%) of lesions with agreementNumber of cases where≥2/9 readers agreeNumber of cases where≥5/9 readers agree
Bone marrow oedemaCorner lesion≥129 (46.8%)16 (25.8%)
≥219 (30.6%)14 (22.6%)
≥315 (24.2%)11 (17.7%)
≥412 (19.4%)7 (11.3%)
≥57 (11.3%)6 (9.7%)
Type A corner lesion≥129 (46.8%)16 (25.8%)
≥219 (30.6%)12 (19.4%)
≥314 (22.6%)9 (14.5%)
≥411 (17.7%)5 (8.1%)
≥57 (11.3%)5 (8.1%)
Type B corner lesion≥17 (11.3%)3 (4.8%)
≥24 (6.5%)3 (4.8%)
≥32 (3.2%)2 (3.2%)
≥40 (0%)0 (0%)
≥50 (0%)0 (0%)
Vertebral body: vertebral endplate≥16 (9.7%)2 (3.2%)
≥23 (4.8%)0 (0%)
≥31 (1.6%)0 (0%)
≥40 (0%)0 (0%)
≥50 (0%)0 (0%)
Vertebral body: lateral region≥15 (8.1%)3 (4.8%)
≥23 (4.8%)2 (3.2%)
≥32 (3.2%)0 (0%)
≥42 (3.2%)0 (0%)
≥50 (0%)0 (0%)
Facet joint≥16 (9.7%)0 (0%)
≥22 (3.2%)0 (0%)
≥31 (1.6%)0 (0%)
≥40 (0%)0 (0%)
≥50 (0%)0 (0%)
Posterior elements≥18 (12.9%)3 (4.8%)
≥27 (11.3%)2 (3.2%)
≥34 (6.5%)0 (0%)
≥44 (6.5%)0 (0%)
≥52 (3.2%)0 (0%)
Fat lesionsCorner lesion≥121 (33.9%)12 (19.4%)
≥214 (22.6%)10 (16.1%)
≥310 (16.1%)7 (11.3%)
≥48 (12.9%)7 (11.3%)
≥57 (11.3%)5 (8.1%)
ErosionCorner≥15 (8.1%)0 (0%)
≥25 (8.1%)0 (0%)
≥31 (1.6%)0 (0%)
≥41 (1.6%)0 (0%)
≥51 (1.6%)0 (0%)
Bone spurCorner≥110 (16.1%)2 (3.2%)
≥27 (11.3%)2 (3.2%)
≥35 (8.1%)2 (3.2%)
≥43 (4.8%)2 (3.2%)
≥52 (3.2%)1 (1.6%)
AnkylosisCorner≥11 (1.6%)1 (1.6%)
≥22 (3.2%)0 (0%)
≥32 (3.2%)0 (0%)
≥42 (3.2%)0 (0%)
≥51 (1.6%)0 (0%)
Intervertebral≥11 (1.6%)0 (0%)
≥20 (0%)0 (0%)
≥30 (0%)0 (0%)
≥40 (0%)0 (0%)
≥50 (0%)0 (0%)
 Facet≥12 (3.2%)1 (1.6%)
≥22 (3.2%)1 (1.6%)
≥32 (3.2%)1 (1.6%)
≥42 (3.2%)1 (1.6%)
≥51 (1.6%)1 (1.6%)
  • VC, vertebral corner .