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Table 3 Comparisons of RNFL thickness and peak locations in different astigmatism groups ( x ¯ ± s )

From: The influence of corneal astigmatism on retinal nerve fiber layer thickness and optic nerve head parameter measurements by spectral-domain optical coherence tomography

 

Normal astigmatism group

High corneal astigmatism group

P *

RNFL thickness (μm)

   

Average

94.15 (8.59)

91.67 (7.25)

0.195

Superior

106.74 (12.50)

110.86 (13.72)

0.194

Nasal

61.79 (11.13)

57.50 (7.74)

0.067

Inferior

111.18 (16.34)

111.61 (13.95)

0.905

Temporal

97.06 (17.69)

86.75 (13.41)

0.007

RNFL peak location (degree)

   

α angle

55.59 (8.86)

60.82 (8.34)

0.013

β angle

61.66 (7.20)

66.80 (10.74)

0.043

superotemporal peak

156.12 (19.37)

158.53 (22.51)

0.633

inferotemporal peak

167.32 (28.10)

167.11 (17.48)

0.970

  1. * Independent t-test, RNFL indicates retinal nerve fiber layer.