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Table 2 P1 and N1 implicit times in ring 1–2 of ERM patients (mean ± SD, ms)

From: Assessment of macular function in patients with idiopathic Epiretinal membrane by multifocal Electroretinography: correlation with visual acuity and optical coherence tomography

ring

P1 implicit time

N1 implicit time

affected

control

t

p-value

affected

control

t

P-value

1

29.04 ± 1.61

28.13 ± 1.33

−2.244

0.037*

15.77 ± 1.85

14.81 ± 1.63

−1.837

0.082

2

28.35 ± 2.43

27.80 ± 0.99

−0.907

0.376

15.31 ± 1.82

14.59 ± 1.48

1.972

0.063

  1. *P < 0.05 (by paired-samples t-test)