Table 4.

Intra-visit and inter-visit intraclass correlation for measurement of vessel density in healthy eyes and eyes with retinal diseases

		Intra-visit intraclass correlation			Inter-visit intraclass correlation
Scan Size	Sector	Normal eyes (%)	Diseased eyes (%)	P value	Normal eyes (%)	Diseased eyes (%)	P value
3×3 mm	Whole macular area	0.3	0.8	<0.001	0.3	0.8	<0.001
	Central Fovea	0.9	0.8	0.36	0.8	0.8	0.44
	Para-foveal circle	0.2	0.8	<0.001	0.1	0.8	<0.001
	Para-fovea_superior hemifield	0.1	0.9	<0.001	0.1	0.8	<0.001
	Para-fovea_inferior hemifield	0.3	0.7	<0.001	0.2	0.7	<0.001
	Para-fovea_temporal sector	0.4	0.7	<0.001	0.4	0.7	<0.001
	Para-fovea_superior sector	0.1	0.9	<0.001	0.1	0.8	<0.001
	Para-fovea_nasal sector	0.3	0.8	<0.001	0.2	0.7	<0.001
	Para-fovea_inferior sector	0.2	0.8	<0.001	0.1	0.8	<0.001
6×6 mm	Whole macular area	0.7	0.7	0.42	0.5	0.6	0.21
	Central Fovea	0.8	0.8	0.37	0.7	0.6	0.08
	Para-foveal circle	0.3	0.7	<0.001	0.1	0.6	<0.001
	Para-fovea_superior hemifield	0.2	0.8	<0.001	0.1	0.7	<0.001
	Para-fovea_inferior hemifield	0.4	0.6	0.003	0.2	0.5	<0.001
	Para-fovea_temporal sector	0.0	0.8	<0.001	0.0	0.6	<0.001
	Para-fovea_superior sector	0.4	0.7	<0.001	0.2	0.7	<0.001
	Para-fovea_nasal sector	0.4	0.6	0.003	0.2	0.6	<0.001
	Para-fovea_inferior sector	0.4	0.6	0.02	0.2	0.4	0.002