Table 3 Comparison of Age in Participants Who Showed SNR ≥ 1 and <1 at Respective Stimulus Size.

From: Spatial-sweep steady-state pattern electroretinography can detect subtle differences in visual function among healthy adults

 

SNR ≥ 1

SNR < 1

P

Stimulus size 1

31.16 ± 7.06

41.00 ± 5.94

0.012*

Stimulus size 2

32.14 ± 6.70

32.86 ± 10.16

0.827

Stimulus size 3

31.50 ± 7.13

37.00 ± 9.22

0.134

Stimulus size 4

31.27 ± 6.95

38.40 ± 9.02

0.049*

Stimulus size 5

31.21 ± 7.84

33.56 ± 7.25

0.367

Stimulus size 6

26.75 ± 4.86

33.00 ± 7.60

0.121

  1. Two-tailed t-test. SNR, signal to noise ratio. *P < 0.05.
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