Topographic Relationship with a Retinal Nerve Fiber Layer Defect Differs between β-Zone and γ-Zone Parapapillary Atrophy
Table 1
Comparison of variables between β-zone and γ-zone parapapillary atrophy group.
β-zone group (49 eyes)
γ-zone group (40 eyes)
value
Age (year)
59.65 ± 9.62
41.70 ± 9.22
<0.001
Female, n (%)
24 (49.0)
16 (40.0)
0.397†
Hypertension, n (%)
16 (32.7)
5 (12.5)
0.026†
Diabetic mellitus, n (%)
12 (24.5)
2 (5.0)
0.012†
Cold hands, n (%)
11 (28.2)
7 (18.4)
0.310†
Untreated intraocular pressure (mm Hg)
15.27 ± 3.04
15.65 ± 3.33
0.571
Refractive error (D)
−0.08 ± 1.49
−5.60 ± 1.84
<0.001
Axial length (mm)
23.34 ± 0.78
26.17 ± 0.72
<0.001
Central corneal thickness (μm)
563.33 ± 38.50
554.88 ± 34.68
0.377
Visual field (dB)
MD
−3.06 ± 2.28
−2.78 ± 2.64
0.594
PSD
5.45 ± 3.67
4.76 ± 3.71
0.378
Data are presented as mean ± standard deviation or number (%). Comparison performed using independent t-test. †Comparison performed using chi-square test.