Table 3.

Overview of interreader and intermodality reliabilities

	Productive score	Joint degeneration	Spinal canal stenosis
Interreader correlation
CT	0.71 (0.55–0.81)	0.70 (0.53–0.81)	0.67 (0.48–0.79)
UTE	0.70 (0.53–0.81)	0.48 (0.19–0.67)	0.54 (0.29–0.71)
FRACTURE	0.69 (0.52–0.80)	0.73 (0.58–0.83)	0.48 (0.19–0.66)
Intermodality correlation
CT to UTE to FRACTURE	0.92 (0.89–0.91)	0.84 (0.79–0.88)	0.78 (0.71–0.83)
CT to UTE	0.88 (0.84–0.91)	0.80 (0.73–0.86)	0.69 (0.58–0.76)
CT to FRACTURE	0.88 (0.83–0.91)	0.78 (0.69–0.84)	0.77 (0.68–0.83)

Interreader and intermodality correlation coefficient in details with the confidence intervals in parenthesis. The productive score was rated most consistent on all modalities and between the readers