Table 5.

Correlations between changes in zero blood flow pixels and changes in macular thickness over four years in OAG patients of African and European descent. OAG: open-angle glaucoma. With permission from the publisher and authors (Siesky et al., 2016).

Retinal Area Zero Blood Flow Pixels	Macular Region	African Descent (AD)			European Descent (ED)			Comparison AD vs. ED
		n	r	p-value	n	r	p-value	p-value
Superior Retina	outer superior	18	−0.61	0.006	59	−0.09	0.476	0.034
	inner superior	18	−0.51	0.031	59	0.01	0.944	0.051
	outer inferior	18	−0.76	0.000	59	−0.05	0.700	0.001
	inner inferior	18	−0.64	0.002	59	−0.21	0.120	0.060
	outer nasal	18	−0.58	0.010	59	0.03	0.827	0.017
	inner nasal	18	−0.50	0.032	59	−0.16	0.235	0.174
	outer temporal	18	−0.60	0.007	59	−0.19	0.150	0.083
	inner temporal	18	−0.27	0.289	59	0.02	0.864	0.307
	macular volume	18	−0.61	0.006	59	−0.12	0.361	0.044
Inferior Retina	outer superior	18	−0.69	0.001	57	0.04	0.743	0.002
	inner superior	18	−0.55	0.017	57	−0.15	0.281	0.109
	outer inferior	18	−0.80	0.000	57	−0.10	0.452	0.001
	inner inferior	18	−0.65	0.003	57	−0.17	0.211	0.039
	outer nasal	18	−0.66	0.002	57	−0.21	0.124	0.049
	inner nasal	18	−0.54	0.020	57	−0.05	0.708	0.059
	outer temporal	18	−0.58	0.010	57	0.06	0.670	0.014
	inner temporal	18	−0.24	0.344	57	−0.04	0.780	0.479
	macular volume	18	−0.64	0.004	57	−0.07	0.629	0.019

Bold P-values indicate statistical significance (p < 0.05).

Table 5 legend: n-number of participants; r-correlation coefficient.