Table 3.

Agreement among readers

Variable name	Percent of agreement (CT)	Brennan–Prediger (CT)	Gwet’s AC	Percent of agreement (Sine Spin)	Brennan–Prediger (Sine Spin)	Gwet’s AC
Supratentorial ventricular system	1.000	1.000	1.000	1.000	1.000	1.000
Infratentorial ventricular system	0.939	0.878	0.935	0.327	−0.010	0.038
Supratentorial subarachnoid space	0.980	0.959	0.979	0.816	0.724	0.774
Infratentorial subarachnoid space	0.918	0.878	0.915	0.633	0.449	0.492
Grey-white matter differentiation basal ganglia	0.878	0.755	0.862	0.531	0.296	0.356
Grey-white matter differentiation insula	0.816	0.724	0.799	0.367	0.051	0.099
Grey-white matter central cortex	0.959	0.918	0.957	0.735	0.602	0.652
Grey-white matter cerebellum	0.898	0.847	0.893	0.551	0.327	0.412
Subarachnoid hemorrhage	0.857	0.714	0.730	0.837	0.673	0.680
Diagnostic confidence subarachnoid hemorrhage	0.755	0.633	0.720	0.367	0.051	0.073
Intraventricular hemorrhage	0.857	0.714	0.777	0.980	0.959	0.968
Diagnostic confidence intraventricular hemorrhage	0.837	0.755	0.822	0.469	0.204	0.246
Parenchymal hemorrhage	0.898	0.796	0.811	0.939	0.878	0.898
Intracranial hemorrhage	0.898	0.796	0.801	0.959	0.918	0.921
Diagnostic confidence parenchymal hemorrhage	0.796	0.694	0.771	0.327	−0.010	0.036
Ischemic lesion	0.755	0.510	0.515	0.714	0.429	0.434
Diagnostic confidence ischemic lesion	0.673	0.510	0.577	0.429	0.143	0.167
Artefacts	0.837	0.673	0.784	0.694	0.388	0.392