Table 2 Comparison of eyes with temporal disc torsion (temporal group) and nasal disc torsion (nasal group)

Age (years)

41.1 ± 5.8

42.5 ± 5.6

< 0.01*

Axial length (mm)

26.78 ± 1.24

26.28 ± 1.56

< 0.01^†

Spherical equivalent (D)

− 8.18 ± 2.71

− 6.94 ± 3.55

< 0.01^†

Rim area (mm²)

1.26 ± 0.48

1.84 ± 8.65

0.35^†

Disc area (mm²)

1.90 ± 0.75

2.72 ± 11.63

0.30^†

Vertical cup-disc ratio

0.47 ± 0.24

0.50 ± 0.24

0.15^†

OCT horizontal tilt angle (°)

16.07 ± 10.50

12.53 ± 11.23

< 0.01^†

Absolute value of optic disc torsion angle (°)

23.53 ± 20.38

17.84 ± 20.00

< 0.01^†

Ovality index

1.30 ± 0.16

1.25 ± 0.13

< 0.01^†

Bruch’s membrane opening-minimum rim width (μm)

269.79 ± 98.45

269.31 ± 88.38

0.96^†

Macular GCIPL (μm)

 Superonasal

70.30 ± 5.68

71.51 ± 5.60

0.36^‡

 Inferonasal

67.38 ± 6.24

69.30 ± 5.30

0.03^‡

 Inferior

61.56 ± 5.58

63.48 ± 5.05

0.01^‡

 Inferotemporal

66.97 ± 6.86

68.72 ± 5.64

0.06^‡

 Superotemporal

67.34 ± 5.52

68.33 ± 5.30

0.37^‡

 Superior

66.97 ± 4.77

67.75 ± 5.08

0.56^‡

 Average

66.75 ± 5.04

68.18 ± 4.77

0.09^‡

Peripapillary RNFL (μm)

 Superior

115.42 ± 22.64

123.87 ± 20.74

< 0.01^‡

 Nasal

58.89 ± 16.32

63.10 ± 18.30

0.02^‡

 Inferior

123.84 ± 23.57

125.76 ± 22.51

0.63^‡

 Temporal

101.97 ± 20.28

94.31 ± 18.79

< 0.01^‡

 Average

99.64 ± 13.56

101.70 ± 12.48

0.28^‡