Table 2 Comparison of IOP and RNFL thickness measurements between controls, mild, moderate and severe OSAHS patients

IOP

Control (N = 38)

15.1 ± 2.1 [10–19]

0.222

0.22

0.73

0.48^*

Mild-Moderate (N = 29)

15.6 ± 2.6 [11–22]

0.138

Severe (N = 34)

15.8 ± 3 [10–21]

0.135

Average RNFL

Control (N = 38)

98.6 ± 10.9 [68.9–117.5]

0.617

0.78

2.13

0.12^*

Mild-Moderate (N = 29)

101.8 ± 10.4 [82.2–125.3]

0.651

Severe (N = 34)

96.3 ± 10.1 [76–118]

0.684

RNFL superior quadrant

Control (N = 38)

119.9 ± 19.3 [69–159]

0.914

0.13

0.58

0.56^*

Mild-Moderate (N = 29)

124.5 ± 13.6 [85–160]

0.215

Severe (N = 34)

122 ± 18.4 [90–162]

0.695

RNFL nasal quadrant

Control (N = 38)

80.1 ± 16.9 [52–126]

0.126

0.21

/

0.029 ^†

Mild-Moderate (N = 29)

79.0 ± 17.0 [47–117]

0.533

Severe (N = 34)

71.3 ± 14.1 [49–115]

0.05

RNFL inferior quadrant

Control (N = 38)

124.2 ± 13.7 [93–160]

0.829

0.07

1.92

0.15^*

Mild-Moderate (N = 29)

128.1 ± 19.9 [91–166]

0.688

Severe (N = 34)

120.2 ± 13.9 [92–163]

0.398

RNFL temporal quadrant

Control (N = 38)

70.2 ± 12.3 [47–93]

0.410

0.91

1.34

0.27^*

Mild-Moderate (N = 29)

75.3 ± 12.6 [51–101]

0.910

Severe (N = 34)

71.6 ± 13.5 [45–100]

0.272