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Table 5 RNFL and GCC measurement and RGCcount in PPG versus control eyes of comparable AL

From: Diagnostic ability of OCT parameters and retinal ganglion cells count in identification of glaucoma in myopic preperimetric eyes

Parameters

PPG emmetropic (N = 22)

PPG with AL < 25 mm (N = 21)

PPG with AL > 25 mm (N = 21)

Emmetropic Control (N = 13)

Control with AL < 25 mm (N = 12)

Control with AL > 25 mm (N = 11)

PPG emmetropic vs emmetropic control

PPG with AL < 25 mm vs control with AL < 25 mm

PPG with AL > 25 mm vs control with AL > 25 mm

       

P- values

MD (dB)

−0.98 (1.52)

−0.94 (1.89)

0.18 (1.26)

−0.12 (0.85)

− 0.64 (0.79)

− 0.73 (0.76)

0.06

0.05

0.92

RNFL avg. (μm)

97.17 (10.82)

88.68 (9.07)

95.09 (8.05)

109.76 (9.79)

114.54 (10.61)

100.15 (7.59)

0.006

<.001

0.003

RNFL sup (μm)

98.01 (11.01)

90.30 (12.07)

93.52 (8.78)

106.45 (9.32)

113.45 (13.76)

101.04 (10.04)

0.06

<.001

0.01

RNFL inf (μm)

96.31 (11.84)

87.06 (11.22)

96.66 (10.66)

113.08 (11.48)

115.62 (9.26)

99.30 (7.78)

0.004

<.001

0.005

GCC avg. (μm)

88.20 (6.68)

81.52 (8.64)

86.73 (4.60)

92.70 (4.37)

102.24 (6.68)

96.75 (4.12)

0.07

<.001

<.001

GCC sup (μm)

88.99 (7.31)

82.82 (8.16)

87.86 (5.11)

91.66 (4.96)

100.96 (7.20)

96.86 (5.37)

0.29

<.001

<.001

GCC inf (μm)

87.40 (7.04)

80.22 (9.91)

85.66 (5.02)

93.74 (4.05)

103.60 (6.56)

96.62 (3.73)

0.02

<.001

<.001

FLV %

1.68 (2.22)

4.50 (4.67)

2.41 (2.74)

0.20 (0.22)

0.34 (0.46)

1.00 (1.09)

0.001

<.001

0.005

GLV %

9.59 (5.71)

18.07 (7.16)

12.29 (4.68)

4.69 (2.76)

1.57 (1.50)

4.99 (2.21)

0.006

<.001

<.001

RGC count (n)

1,002,394.31 (189,401.24)

1,183,055.86 (125,256.44)

986,664.15 (91,736.86)

884,594.19 (128,656.99)

1,191,809.55 (129,243.34)

1,034,300.79 (109,779.01)

0.006

<.001

0.005

  1. The parameters are expressed as mean and SD. RNFLavg and RGCs count are significant in all comparisons, while GCCavg is not significant in the comparison between PPG and emmetropes control. P-values significant for p < 0.05