Combination of Multifocal Electroretinogram and Spectral-Domain OCT Can Increase Diagnostic Efficacy of Parkinson’s Disease

Table 2

Retinal function analysis of PD patients and healthy subjects using mf-ERG.

	HC	PD
Number of eyes tested
AD of P1 in ring1	139.43 ± 16.92	100.75 ± 21.13	≤0.001
AD of P1 in ring2	36.93 ± 9.09	21.83 ± 7.49	≤0.001
AD of P1 in ring3	15.79 ± 4.26	15.72 ± 4.00	0.692
AD of P1 in ring4	13.79 ± 3.23	13.30 ± 4.04	0.079
AD of P1 in ring5	10.08 ± 3.61	9.30 ± 1.74	0.062
IT of P1 in ring1	38.34 ± 4.85	42.72 ± 7.66	≤0.001
IT of P1 in ring2	39.47 ± 6.21	42.72 ± 7.66	0.039
IT of P1 in ring3	37.26 ± 4.42	41.09 ± 7.68	≤0.001
IT of P1 in ring4	41.14 ± 4.53	41.67 ± 8.51	0.656
IT of P1 in ring5	43.24 ± 6.65	41.72 ± 8.14	0.159
AD of N1 in ring1	0.48 ± 0.22	0.43 ± 0.13	0.071
AD of N1 in ring2	0.27 ± 0.05	0.26 ± 0.07	0.121
AD of N1 in ring3	0.19 ± 0.13	0.16 ± 0.08	0.395
AD of N1 in ring4	0.20 ± 0.09	0.19 ± 0.07	0.872
AD of N1 in ring5	0.17 ± 0.10	0.16 ± 0.08	0.910
IT of N1 in ring1	19.76 ± 3.21	20.47 ± 4.67	0.149
IT of N1 in ring2	20.14 ± 5.41	21.94 ± 9.03	0.135
IT of N1 in ring3	23.06 ± 3.72	22.13 ± 6.58	0.230
IT of N1 in ring4	24.30 ± 7.06	23.03 ± 6.50	0.208
IT of N1 in ring5	21.61 ± 5.84	22.44 ± 6.58	0.675

Values are expressed as mean ± SD. Statistical tests: Mann–Whitney U test. AD = amplitude density (nV/deg²); IT = implicit time (ms). ; .