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Table 7 RNFL and GCC measurement and RCGcount in subgroups with different AL, without distinction of disease stage

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

 

Emmetropic PPG

Myopica PPG

Myopic Controlb

Non-highly myopicc

Highly myopicd

Emmetropic PPG vs Myopica PPG

Myopicb Control vs myopica PPG

Non-highly myopicc vs highly myopicd

      

P-values

MD (dB)

−0.98 (1.52)

−0.38 (1.69)

−0.69 (0.76)

−2.12 (6.09)

−3.58 (5.16)

0.04

0.11

0.04

RNFL avg. (μm)

97.17 (10.82)

91.89 (9.07)

107.66 (11.68)

94.69 (13.23)

86.46 (13.87)

0.03

<.001

0.002

RNFL sup (μm)

98.01 (11.01)

91.91 (10.55)

107.51 (13.44)

95.05 (13.26)

88.15 (15.30)

0.02

<.001

0.06

RNFL inf (μm)

96.31 (11.84)

91.86 (11.85)

107.81 (11.82)

94.31 (14.57)

84.78 (14.88)

0.17

<.001

<.001

GCC avg. (μm)

88.20 (6.68)

84.12 (7.32)

99.61 (6.16)

84.77 (8.88)

81.61 (11.78)

0.01

<.001

0.03

GCC sup (μm)

88.99 (7.31)

85.34 (7.19)

99.00 (6.59)

86.15 (8.62)

83.43 (11.79)

0.02

<.001

0.04

GCC inf (μm)

87.40 (7.04)

82.94 (8.24)

100.26 (6.37)

83.41 (10.58)

79.78 (13.14)

0.03

<.001

0.06

FLV %

1.68 (2.22)

3.46 (3.93)

0.66 (0.87)

4.22 (3.74)

5.96 (5.39)

0.002

<.001

0.009

GLV %

9.59 (5.71)

15.18 (6.65)

3.21 (2.53)

15.19 (7.85)

18.39 (10.28)

0.008

<.001

0.06

RGC count (n)

1,002,394.31 (189,401.24)

935,629.17 (121,851.31)

1,116,479.27 (142,484.24)

910,940.59 (226,819.93)

784,036.59 (253,833.31)

<.001

<.001

<.001

  1. The parameters are expressed as mean and SD. P-values significant for p < 0.05
  2. aMyopic eyes with preperimetric glaucoma, without distinction for axial length
  3. bMyopic control eyes with no distinction for axial length
  4. cControl and PPG eyes with AL < 25 mm
  5. dControl and PPG eyes with AL > 25 mm