Table 1 Demographic and clinical characteristics of subjects with open-angle glaucoma.

From: Comparison of retinal nerve fiber layer thickness and Bruch’s membrane opening minimum rim width thinning rate in open-angle glaucoma

Variables

MD > − 2 dB (H)

− 2 dB ≥ MD > − 6 dB (M)

− 6 dB ≥ MD > − 12 dB (L)

P-value

Post hoc

Total

Subjects, n (%)

35 (31.5)

48 (43.2)

28 (25.2)

  

111

Age at baseline examination, y

57.06 ± 12.18

56.52 ± 14.09

65.43 ± 13.90

0.015*

H, M < L

59.01 ± 13.96

Male, n (%)

19 (54.3)

25 (52.1)

12 (42.9)

  

61 (55.0)

Systemic factors

Diabetes mellitus, n (%)

7 (20.0)

13 (27.1)

7 (25.0)

0.057*

 

27 (24.3)

Hypertension, n (%)

15 (42.9)

19 (39.6)

8 (28.6)

0.158*

 

42 (37.8)

Glaucoma

Normal tension glaucoma, n (%)

32 (91.4)

39 (81.3)

27 (96.4)

  

98 (88.3)

Primary open-angle glaucoma, n (%)

3 (8.6)

9 (18.7)

1 (3.6)

  

13 (11.7)

Follow-up duration, y

3.76 ± 0.39

3.51 ± 0.59

3.33 ± 0.67

0.009*

H > M > L

3.54 ± 0.57

Follow-up OCT, n

5.20 ± 0.96

5.63 ± 1.91

5.43 ± 1.60

0.485*

 

5.44 ± 1.58

Spherical equivalent (diopter)

− 0.52 ± 2.95

− 1.29 ± 0.45

− 1.26 ± 0.48

0.443*

 

− 0.87 ± 2.77

IOP (mmHg)

12.57 ± 0.47

13.38 ± 0.51

11.79 ± 0.58

0.109*

 

12.19 ± 3.17

Mean follow-up IOP (mmHg)

11.89 ± 0.44

12.79 ± 11.98

11.36 ± 10.43

0.061*

 

12.23 ± 2.63

IOP fluctuation (mmHg)

1.61 ± 0.13

1.74 ± 0.12

1.63 ± 0.12

0.694*

 

1.70 ± 0.74

Peak follow-up IOP (mmHg)

13.77 ± 0.57

15.13 ± 0.50

13.54 ± 0.53

0.070*

 

14.48 ± 3.30

Axial length (mm)

24.58 ± 0.27

24.10 ± 0.21

24.32 ± 0.36

0.382*

 

24.19 ± 1.27

Central corneal thickness (µm)

521.63 ± 6.54

524.64 ± 5.38

522.65 ± 8.23

0.940*

 

522.58 ± 36.79

BMO area (mm2)

2.32 ± 0.08

2.16 ± 0.06

2.25 ± 0.08

0.290*

 

2.24 ± 0.43

Optic disc hemorrhage, n (%)

6 (17.1)

7 (14.6)

6 (21.4)

0.855*

 

19 (17.1)

Baseline visual field examination

Mean deviation, dB

− 0.24 ± 0.93

− 3.81 ± 1.03

− 9.68 ± 2.66

 < 0.001*

H > M > L

− 4.22 ± 3.85

Pattern standard deviation, dB

2.10 ± 0.88

4.15 ± 2.43

8.45 ± 3.49

 < 0.001*

H < M < L

4.58 ± 3.30

  1. MD, mean deviation; OCT, optical coherence tomography; IOP, intraocular pressure; BMO, Bruch’s membrane opening.
  2. *One-way analysis of variance.