. 2021 Sep 20;3(4):100214. doi: 10.1016/j.ocarto.2021.100214

Table 2.

Multi-reader cross-sectional and longitudinal reliability for main features assessed in WORMS: Kendall's Coefficient of Concordance.

	Category	Kendall's Coefficient of Concordance
Cartilage morphology	Cross-sectional	0.91
Cartilage morphology	Longitudinal	0.80
Osteophytes	Cross-sectional	0.76
Osteophytes	Longitudinal	0.72
Bone Marrow Lesions	Cross-sectional	0.89
Bone Marrow Lesions	Longitudinal	0.89
Subchondral cysts	Cross-sectional	0.72
Subchondral cysts	Longitudinal	0.79
Bone attrition	Cross-sectional	0.89
Bone attrition	Longitudinal	0.75
Meniscal tears	Cross-sectional	0.98
Meniscal tears	Longitudinal	0.90
Meniscal extrusion	Cross-sectional	0.85
Meniscal extrusion	Longitudinal	0.91
Hoffa-synovitis	Cross-sectional	0.65
Hoffa-synovitis	Longitudinal	0.65
Effusion-synovitis	Cross-sectional	0.88
Effusion-synovitis	Longitudinal	0.81