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Table 3 GCIPL thickness (Mean ± SD, μm) determined by two macular cube scanning protocols

From: Reproducibility of macular ganglion cell–inner plexiform layer thickness in normal eyes determined by two different OCT scanning protocols

Parameter

Protocol

1st measurement

2nd measurement

3rd measurement

P a

P b

Average

512 × 128

84.65 ± 5.79

84.50 ± 5.63

84.46 ± 5.65

0.984

0.892

200 × 200

84.61 ± 5.71

84.70 ± 5.69

84.72 ± 5.61

0.994

Minimum

512 × 128

81.80 ± 5.33

81.72 ± 5.13

81.43 ± 5.25

0.927

0.632

200 × 200

81.72 ± 5.87

81.70 ± 5.73

80.91 ± 6.28

0.722

Superotemporal

512 × 128

83.04 ± 5.06

82.76 ± 5.11

82.85 ± 5.21

0.96

0.909

200 × 200

82.67 ± 5.40

82.87 ± 5.37

82.70 ± 5.05

0.977

Superior

512 × 128

85.83 ± 6.10

85.67 ± 6.22

86.00 ± 6.07

0.961

0.974

200 × 200

85.72 ± 6.03

85.80 ± 6.03

85.79 ± 5.98

0.997

Superonasal

512 × 128

87.96 ± 6.56

87.72 ± 6.24

87.83 ± 6.15

0.981

0.963

200 × 200

87.81 ± 6.39

87.83 ± 6.35

87.92 ± 6.27

0.995

Inferonasal

512 × 128

85.22 ± 6.33

85.11 ± 6.24

84.94 ± 6.12

0.973

0.772

200 × 200

85.52 ± 6.22

85.35 ± 6.17

85.70 ± 6.30

0.96

Inferior

512 × 128

82.50 ± 6.32

82.48 ± 6.07

82.20 ± 6.36

0.963

0.726

200 × 200

82.54 ± 6.51

82.61 ± 6.28

83.00 ± 6.52

0.923

Inferotemporal

512 × 128

83.46 ± 5.77

83.39 ± 5.58

83.28 ± 5.72

0.986

0.973

200 × 200

83.35 ± 5.62

83.52 ± 5.69

83.42 ± 5.64

0.988

  1. aComparison between the three repeated measurements of the GCIPL thickness determined by each raster scanning protocol
  2. bComparison of the GCIPL thickness determined by the two raster scanning protocols