Correlation between multifocal electroretinogram and optical coherence tomography findings with visual acuity after vitrectomy surgery for retinal detachment: an observational study

Table 2 Correlation between 6-month postoperative CDVA with mf-ERG amplitude & latency values, CMT, and the IS/OS junction integrity of the studied eyes

		CDVA	mf-ERG Amplitude of N1	mf-ERG Amplitude of P1	mf-ERG Amplitude of N2	mf-ERG Latency of N1	mf-ERG Latency of P2	mf-ERG Latency of N2	CMT
mf-ERG Amplitude of N1	r	0.416
mf-ERG Amplitude of N1	P-Value	0.008
mf-ERG Amplitude of P1	r	0.569	0.912
mf-ERG Amplitude of P1	P-Value	< 0.001	< 0.001
mf-ERG Amplitude of N2	r	0.443	0.873	0.920
mf-ERG Amplitude of N2	P-Value	0.004	< 0.001	< 0.001
mf-ERG Latency of N1	r	-0.060	0.115	0.217	0.297
mf-ERG Latency of N1	P-Value	0.713	0.481	0.179	0.063
mf-ERG Latency of P2	r	0.052	-0.256	− 0.171	-0.069	0.329
mf-ERG Latency of P2	P-Value	0.749	0.111	0.293	0.670	0.038
mf-ERG Latency of N2	r	0.149	-0.272	− 0.085	-0.047	0.274	0.825
mf-ERG Latency of N2	P-Value	0.360	0.090	0.603	0.773	0.087	< 0.001
CMT	r	0.530	0.607	0.675	0.691	0.144	0.111	0.115
CMT	P-Value	< 0.001	< 0.001	< 0.001	< 0.001	0.375	0.495	0.479
IS/OS junction integrity	r	0.533	0.762	0.748	0.813	0.113	0.113	0.002	0.710
IS/OS junction integrity	P-Value	< 0.001	< 0.001	< 0.001	< 0.001	0.486	0.486	0.992	< 0.001

r (Spearman correlation)
Bold type signifies P ≤ 0.05
CDVA: Corrected distance visual acuity; mf-ERG: multifocal Electroretinogram; CMT: Central macular thickness; IS/OS: Inner segment/outer segment

ISSN: 2056-9920