Table 3.

Agreement^a Testing between Grader and Consensus Rating by MRI Assessment Year (N=1073)

Year	N=	Grader 1		Grader 2		Grader 3
		κ	95% CI	κ	95% CI	κ	95% CI
2004	6	1.00	1.00, 1.00	0.83	0.54, 1.00	1.00	1.00, 1.00
2005	271	0.86	0.79, 0.92	0.91	0.86, 0.96	0.85	0.79, 0.91
2006	268	0.90	0.84, 0.95	0.85	0.79, 0.92	0.93	0.89, 0.97
2007	219	0.85	0.78, 0.92	0.85	0.78, 0.92	0.91	0.85, 0.96
2008	150	0.88	0.81, 0.96	0.90	0.83, 0.97	0.91	0.84, 0.97
2009	137	0.90	0.83, 0.98	0.82	0.72, 0.92	0.94	0.89, 1.00
2010	22	0.95	0.87, 1.00	0.82	0.58, 1.00	0.96	0.87, 1.00
Overall	1073	0.88	0.85, 0.91	0.87	0.84, 0.90	0.91	0.88, 0.93

^aCalculated kappa values are weighted