Table 1 Demographics and clinical characteristics.

From: A comparison of peripapillary vessel density between subjects with normal-tension glaucoma and primary open-angle glaucoma with similar extents of glaucomatous damage

 

Control group (n = 88)

GS group (n = 50)

NTG group (n = 73)

POAG group (n = 62)

P-value

Post-hoc P-values

Control vs. GS

Control vs. NTG

Control vs. POAG

GS vs. NTG

GS vs. POAG

NTG vs. POAG

Age (years)

62.7 ± 4.5

61.0 ± 12.7

59.6 ± 15.1

62.8 ± 13.0

0.080

      

Sex (male, %)

38 (43.2)

23 (46.0)

33 (45.2)

30 (48.3)

0.870

      

Laterality (right, %)

51 (57.9)

20 (40.0)

47 (64.3)

38 (61.3)

0.071

      

BCVA (logMAR)

 − 0.02 ± 0.05

0.06 ± 0.09

0.06 ± 0.15

0.07 ± 0.13

 < 0.001

0.001

 < 0.001

 < 0.001

0.999

0.847

0.862

SE (diopter)

 − 0.59 ± 1.2

 − 0.77 ± 2.00

 − 1.24 ± 2.61

 − 1.02 ± 3.08

0.102

      

IOP (mmHg)

14.9 ± 2.6

15.0 ± 2.8

12.4 ± 3.0

14.6 ± 3.3

 < 0.001

0.998

 < 0.001

0.870

 < 0.001

0.841

 < 0.001

AXL (mm)

23.7 ± 0.8

23.8 ± 0.6

24.0 ± 0.5

24.2 ± 0.9

0.560

      

VF parameters

 MD (dB)

n/a

 − 1.74 ± 2.49

 − 6.75 ± 7.80

 − 7.70 ± 7.93

0.005

   

0.016

0.004

0.737

 PSD (dB)

n/a

2.54 ± 1.12

4.52 ± 4.05

7.25 ± 4.33

 < 0.001

   

 < 0.001

 < 0.001

0.527

 VFI (%)

n/a

97.4 ± 3.8

80.1 ± 24.7

78.9 ± 23.7

0.003

   

0.006

0.003

0.946

  1. BCVA best-corrected visual acuity, SE spherical equivalent, IOP intraocular pressure, AXL axial length; VF visual field, MD mean deviation, PSD pattern standard deviation, VFI visual field index.
  2. Significance values are in bold.
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