Table 1.

Published observer agreement on vertebral fracture diagnosis in adults using the Genant semi-quantitative method [1–9]

First Author	Reference Number	Number of Readers	Intraobserver K	Interobserver K
Vertebral Level
Genanta	1	2	0.73–0.89	0.74
Wua	2	3	N/A	0.80–0.81
Takadaa	3	2	0.82–1.00d	0.76–0.91d
Wua	4	2	0.87–0.96	N/A
Gradosb	5	3	0.91	N/A
Damianob	6	2	N/A	0.86
Schousboe	7	2	N/A	0.60
Fuersta	8	3	0.81–0.85	0.75–0.82
Sanfelix-Genovesc	9	2	N/A	0.39
Patient Level
Damianob	6	2	N/A	0.79
Schousboe	7	2	N/A	0.53
Fuersta	8	3	0.73–0.83	0.71–0.81
Sanfelix-Genovesc	9	2	N/A	0.26

N/A not available, K Cohen’s kappa

^aStudies from same group

^bStudies from same group

^cCalculated from data in paper

^dFor spine segments, not entire spine from T4 to L4