Table 2

Single measures intraclass correlation coefficient for absolute agreement of all reader pairs and all nine readers for the different spinal lesions

Mean (SD) of reader pairsRange of reader pairsAll 9 readers (95% CI)
Bone marrow oedemaTotal BMO0.69 (0.12)0.39–0.910.68 (0.58 to 0.77)
Corner lesions0.66 (0.13)0.24–0.870.63 (0.53 to 0.72)
Thoracic lateral vertebral lesions0.59 (0.22)0.18–0.960.58 (0.48 to 0.68)
Facet lesions0.08 (0.17)−0.04–0.660.04 (–0.001 to 0.1)
Posterior lesions0.34 (0.23)−0.04–0.900.38 (0.29 to 0.49)
Vertebral endplate lesions0.23 (0.30)0.0–0.850.34 (0.25 to 0.45)
Type A lesions0.70 (0.10)0.50–0.850.67 (0.60 to 0.76)
Type B lesions0.36 (0.21)−0.03–0.870.39 (0.29 to 0.51)
Total fat*0.88 (0.08)0.69–0.980.87 (0.82 to 0.91)
Vertebral corner fat0.91 (0.06)0.77–0.990.92 (0.89 to 0.94)
Erosion0.15 (0.21)−0.04–0.780.16 (0.09 to 0.25)
Bone spur0.61 (0.36)−0.00–0.990.61 (0.51 to 0.70)
AnkylosisTotal0.67 (0.21)0.23–0.980.58 (0.48 to 0.68)
Corner0.41 (0.29)−0.01–1.00.39 (0.29 to 0.50)
Non-corner (intervertebral)0.32 (0.44)0.0–1.00.42 (0.32 to 0.53)
Facet0.54 (0.31)0.1–1.00.45 (0.35 to 0.56)
  • *Includes total fat score for VC, lateral vertebral, non-corner and facet lesions.

  • BMO, bone marrow oedema.