Structure versus function: correlation between outer retinal and choroidal thicknesses measured by swept-source OCT with multifocal electroretinography and visual acuity

Table 2 Correlation between best corrected visual acuity (BCVA), foveal and parafoveal outer retinal thickness, subfoveal and parafoveal choroidal thickness and P1 valor at R1, R2 and the average of R1 + R2

	BCVA	Foveal RT	500 μm RT	Subfoveal CT	500 μm CT	R1	R2
Foveal RT	0.349 P < 0.047*
500 μm RT	0.662 P < 0.001*	0.873 P < 0.0001*
Subfoveal CT	0.443 P = 0.010*	0.355 P = 0.157	0.273 P = 0.060
500 μm CT	0.466 P = 0.006*	0.289 P = 0.204	0.478 P = 0.005*	0.963 P < 0.001*
R1	0.346 P = 0.037*	0.072 P = 0.692	0.126 P = 0.473	0.383 P = 0.028*	0.285 P = 0.063
R2	0.374 P = 0.032*	0.265 P = 0.137	0.353 P = 0.044*	0.409 P = 0.018*	0.369 P = 0.034*	0.780 P < 0.001*
R1 + R2	0.375 P < 0.032*	0.253 P = 0.156	0.395 P = 0.006*	0.419 P = 0.015*	0.371 P = 0.033*	0.823 P < 0.001*	0.996 P < 0.001*

Pearson correlation test was performed. A P value of ≤0.05 was considered as statistically significant
BCVA best-corrected visual acuity, RT retinal thickness, CT choroidal thickness
* Statistical significance

ISSN: 2056-9920