Table 3.

Krippendorff alpha (α[95%CI]) values and the slopes (R) of the linear regression analyses obtained from comparison of acetabular and femoral articular cartilage T1_ρ and T2 relaxation times between MR-arthrography and MR-imaging. An X indicates a sub-region that was not analyzed.

	Global	Region 2	Region 3	Region 4	Region 5	Region 6
Acetabular
T1ρ α	0.96[0.92–0.99]	0.88[0.70–0.98]	0.95[0.89–0.99]	0.92[0.82–0.99]	0.95[0.90–0.98]	X
T1ρ R-values	0.96	0.89	0.95	0.93	0.95	X
T2 α	0.96[0.93–0.99]	0.83[0.71–0.94]	0.84[0.67–0.96]	0.88[0.74–0.97]	0.91[0.83–0.97]	X
T2 R-values	0.96	0.85	0.84	0.88	0.92	X
Femoral
T1ρ α	0.97[0.94–0.99]	0.96[0.93–0.98]	0.90[0.81–0.96]	0.90[0.81–0.97]	0.97[0.95–0.99]	0.93[0.89–0.96]
T1ρ R-values	0.97	0.96	0.92	0.90	0.97	0.94
T2 α	0.96[0.92–0.98]	0.96[0.92–0.99]	0.91[0.82–0.98]	0.91[0.81–0.98]	0.96[0.93–0.99]	0.88[0.76–0.97]
T2 R-values	0.97	0.96	0.95	0.95	0.98	0.88