Table 2.

Spearman Correlation Coefficients Among Best Corrected Visual Acuity (BCVA), Electroretinography (ERG), and Full-Field Stimulus Threshold (FST) Measures

	Best Corrected Visual Acuity	Electroretinography			Full-Field Stimulus Threshold (FST)
	(BCVA)	DA 0.01 ERG	LA 3.0 Flicker	DA 3.0 ERG	White	Blue	Red
	(N = 127)a	(N = 126)	(N = 126)	(N = 126)	(N = 93)	(N = 93)	(N = 93)
BCVA
Correlation	1.0	+0.17	+0.30	+0.30	−0.60	−0.56	−0.58
P value		0.06	<0.001	<0.001	<0.001	<0.001	<0.001
DA 0.01 ERG
Correlation	+0.17	1.0	+0.61	+0.69	−0.40	−0.40	−0.45
P value	0.06		<0.001	<0.001	<0.001	<0.001	<0.001
LA 3.0 flicker ERG
Correlation	+0.30	+0.61	1.0	+0.82	−0.55	−0.52	−0.42
P value	<0.001	<0.001		<0.001	<0.001	<0.001	<0.001
DA 3.0 ERG
Correlation	+0.30	+0.69	+0.82	1.0	−0.64	−0.62	−0.59
P value	<0.001	<0.001	<0.001		<0.001	<0.001	<0.001
FST White
Correlation	−0.60	−0.40	−0.55	−0.64	1.0	+0.96	+0.83
P value	<0.001	<0.001	<0.001	<0.001		<0.001	<0.001
FST Blue
Correlation	−0.56	−0.40	−0.52	−0.62	+0.96	1.0	+0.76
P value	<0.001	<0.001	<0.001	<0.001	<0.001		<0.001
FST Red
Correlation	−0.58	−0.45	−0.42	−0.59	+0.83	+0.76	1.0
P value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001

^aAmong 127 participants with VA scores, 126 had ERG results and 93 had FST results; all participants with ERG results had FST results.