Table 2.

Macular vessel density in healthy eyes and eyes with retinal diseases

			Normal eyes				Eyes with retinal diseases			P values
Scan Size	Sector	N (scans)	Mean vessel density (%)	95% Confidence interval of density (%)		N (scans)	Mean vessel density (%)	95% Confidence interval of density (%)
3×3 mm	Whole macular area	66	53.8	53.3	54.3	65	50.4	49.4	51.4	0.004
	Central Fovea	66	32.1	31.2	33.1	65	30.3	29.1	31.4	0.06
	Para-foveal circle	66	55.4	55.0	55.9	65	52.2	51.1	53.3	0.01
	Para-fovea_superior hemifield	66	55.3	54.8	55.9	65	52.0	50.8	53.3	0.02
	Para-fovea_inferior hemifield	66	55.6	55.1	56.0	65	52.4	51.3	53.5	0.009
	Para-fovea_temporal sector	66	54.1	53.6	54.7	65	51.3	50.1	52.4	0.03
	Para-fovea_superior sector	66	56.3	55.7	57.0	65	52.7	51.3	54.0	0.02
	Para-fovea_nasal sector	66	54.8	54.2	55.4	65	51.6	50.5	52.7	0.008
	Para-fovea_inferior sector	66	56.6	56.1	57.0	65	53.2	52.0	54.4	0.01
6×6 mm	Whole macular area	61	54.2	53.5	55.0	76	49.2	48.3	50.0	<0.001
	Central Fovea	61	36.5	35.4	37.6	76	33.0	31.8	34.3	0.01
	Para-foveal circle	61	55.6	54.6	56.6	76	50.5	49.3	51.6	<0.001
	Para-fovea_superior hemifield	61	55.6	54.6	56.6	76	50.4	49.1	51.7	<0.001
	Para-fovea_inferior hemifield	61	55.6	54.5	56.6	76	50.5	49.5	51.6	<0.001
	Para-fovea_temporal sector	61	55.1	54.1	56.1	76	51.2	49.9	52.4	0.004
	Para-fovea_superior sector	61	55.9	54.8	57.1	76	50.4	49.1	51.6	<0.001
	Para-fovea_nasal sector	61	56.0	55.0	56.9	76	49.9	48.7	51.2	<0.001
	Para-fovea_inferior sector	61	55.4	54.2	56.6	76	50.4	49.3	51.5	<0.001