Table 2.

Patient and informer’s CAI scores, concordance, and interrater agreement

	Patient			Informer			Wilcoxon matched-pairs test		Lin’s concordance correlation coefficient		Interrater agreement
	Obs	Mean	Std. Dev	Obs	Mean	Std. Dev	test	p value		Percent agreement		Gwet's AC	Probabilistic benchmark interval
CAI 1	601	2.73	1.44	586	2.77	1.52	−1.0	0.300	0.717	0.908		0.784	0.600–0.800
CAI 2	599	2.61	1.52	585	2.83	1.60	−5.4	< 0.001	0.779	0.918		0.808	0.600–0.800
CAI 3	601	2.92	1.42	584	3.19	1.49	−6.3	< 0.001	0.741	0.910		0.786	0.600–0.800
CAI 4	600	2.48	1.44	586	2.79	1.56	−7.1	< 0.001	0.755	0.917		0.809	0.600–0.800
CAI 5	601	2.53	1.36	586	2.72	1.48	−4.2	< 0.001	0.747	0.922		0.820	0.600–0.800
CAI 6	601	2.22	1.35	584	2.33	1.40	−2.8	0.005	0.757	0.926		0.841	0.800–1.000
CAI 7	600	2.64	1.52	585	3.08	1.64	−10.1	< 0.001	0.724	0.902		0.767	0.600–0.800
CAI 8	601	2.73	1.54	586	3.15	1.67	−9.5	< 0.001	0.747	0.911		0.785	0.600–0.800
CAI 9	601	2.60	1.43	585	2.96	1.49	−7.5	< 0.001	0.705	0.902		0.770	0.600–0.800
CAI 10	599	2.58	1.47	585	3.01	1.56	−8.8	< 0.001	0.658	0.886		0.730	0.600–0.800
CAI Global	598	3.00	1.26	579	3.31	1.38	−8.1	< 0.001	0.766	0.917		0.810	0.600–0.800

CAI Cognitive Assessment Interview