. 2020 Dec 3;10:21036. doi: 10.1038/s41598-020-78201-9

Table 1.

Tested variables in controls and age-related macular degeneration patients.

	Controls	Intermediate AMD
	Controls	Whole region	Drusen-free region
EZ normalized reflectivity	0.85 ± 0.08 0.86 (0.79–0.92)	0.76 ± 0.10 0.76 (0.71–0.84)	0.77 ± 0.10 0.76 (0.71–0.84)
EZ normalized reflectivity	0.85 ± 0.08 0.86 (0.79–0.92)	< .0001^a	< .0001^a
Choriocapillaris FD%	19.2 ± 6.2 20.7 (13.9–23.5)	24.1 ± 5.3 23.9 (21.9–28.1)	24.0 ± 5.4 23.9 (21.9–28.1)
Choriocapillaris FD%	19.2 ± 6.2 20.7 (13.9–23.5)	0.001^a	0.001^a
Choriocapillaris FD average size (μm²)	612.0 ± 72.6612.0 ± 72.6 590.4 (576.4–639.6)	898.2 ± 289.6898.2 ± 289.6 822.2 (690.8–943.4)	747.0 ± 151.0 748.6 (639.6–832.4)
Choriocapillaris FD average size (μm²)	612.0 ± 72.6612.0 ± 72.6 590.4 (576.4–639.6)	< .0001^b	< .0001^b

Data are presented as mean ± SD (standard deviation) and median (interquartile range).

AMD: age-related macular degeneration; EZ: ellipsoid zone; FD%: percentage of flow deficits.

^aIndependent samples T test—comparison with controls.

^bIndependent samples Mann–Whitney U test—comparison with controls.