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Table 3 Comparison of ganglion cell-inner plexiform layer (GCIPL) thickness and disc parameters among the three groups

From: Characteristics of diffuse retinal nerve fiber layer defects in red-free photographs as observed in optical coherence tomography en face images

Ā 

No defect (nā€‰=ā€‰25)

Localized defect (nā€‰=ā€‰106)

Diffuse defect (nā€‰=ā€‰78)

P value*

GCIPL thickness (Ī¼m)

ā€ƒAverage

67.48Ā Ā±Ā 12.20

65.80Ā Ā±Ā 8.46

61.42Ā Ā±Ā 8.89

<0.001

ā€ƒMinimum

60.08Ā Ā±Ā 16.67

54.75Ā Ā±Ā 11.23

50.87Ā Ā±Ā 11.30

0.006

ā€ƒSuperior

66.64Ā Ā±Ā 13.26

70.32Ā Ā±Ā 40.55

64.26Ā Ā±Ā 11.54

0.001

ā€ƒSuperonasal

71.16Ā Ā±Ā 11.18

73.20Ā Ā±Ā 11.04

67.82Ā Ā±Ā 13.57

0.004

ā€ƒInferonasal

69.72Ā Ā±Ā 10.49

67.06Ā Ā±Ā 10.42

61.56Ā Ā±Ā 10.06

<0.001

ā€ƒInferior

68.40Ā Ā±Ā 10.60

59.04Ā Ā±Ā 9.78

56.47Ā Ā±Ā 9.34

<0.001

ā€ƒInferotemporal

70.24Ā Ā±Ā 11.38

57.83Ā Ā±Ā 8.71

55.26Ā Ā±Ā 9.92

<0.001

ā€ƒSuperonasal

66.40Ā Ā±Ā 11.59

10.32Ā Ā±Ā 1.00

12.19Ā Ā±Ā 1.38

0.009

Disc parameters

ā€ƒRim area (mm2)

1.02Ā Ā±Ā 0.24

0.77Ā Ā±Ā 0.18

0.67Ā Ā±Ā 0.19

<0.001

ā€ƒDisc area (mm2)

2.34Ā Ā±Ā 0.47

2.02Ā Ā±Ā 0.48

2.12Ā Ā±Ā 0.50

0.018

ā€ƒAverage cup to disc ratio

0.73Ā Ā±Ā 0.09

0.77Ā Ā±Ā 0.08

0.81Ā Ā±Ā 0.07

<0.001

ā€ƒVertical cup to disc ratio

0.72Ā Ā±Ā 0.09

0.78Ā Ā±Ā 0.09

0.81Ā Ā±Ā 0.08

<0.001

ā€ƒCup volume (mm3)

0.49Ā Ā±Ā 0.28

0.50Ā Ā±Ā 0.29

0.63Ā Ā±Ā 0.31

0.010

  1. * Kruskal-Wallis Test