Multifocal Electroretinogram Can Detect the Abnormal Retinal Change in Early Stage of type2 DM Patients without Apparent Diabetic Retinopathy

Table 2

Retinal function analysis of DM patients and healthy subjects using mf-ERG examinations in healthy controls and DM patients.

Number of eyes tested	HC	DM
	AD of P1 in ring 1				0.133
AD of P1 in ring 2			0.142
AD of P1 in ring 3			0.861
AD of P1 in ring 4			0.127
AD of P1 in ring 5			0.053
IT of P1 in ring 1			≤0.001
IT of P1 in ring 2			0.206
IT of P1 in ring 3			≤0.001
IT of P1 in ring 4			0.102
IT of P1 in ring 5			0.047
AD of N1 in ring 1			0.880
AD of N1 in ring 2			0.349
AD of N1 in ring 3			0.079
AD of N1 in ring 4			0.461
AD of N1 in ring 5			0.754
IT of N1 in ring 1			0.412
IT of N1 in ring 2			0.072
IT of N1 in ring 3			0.970
IT of N1 in ring 4			0.021
IT of N1 in ring 5			0.069

Values expressed as . Statistical tests: Mann–Whitney test. AD: amplitude density (nV/deg²); IT: implicit time (ms). , .