Table 4.

Parafoveal vascular density is defined as a circle with a 2mm diameter from the center of the macula

Outer ring (2 mm diameter)		Control (41eyes) (MEAN ± SD)	Case (41eyes) (MEAN ± SD)	P-value
Superior nasal	Deep	50% ± 6%	46% ± 10%	0.02
	Superficial	48% ± 8%	41% ± 8%	<0.001
Superior temporal	Deep	49% ± 5%	43% ± 11%	0.009
	Superficial	48% ± 8%	41% ± 8%	<0.001
Inferior temporal	Deep	46% ± 5%	41% ± 9%	0.01
	Superficial	51% ± 8%	40% ± 8%	<0.001
Inferior nasal	Deep	47% ± 5%	41% ± 9%	0.01
	Superficial	51% ± 8%	39% ± 9%	<0.001