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Table 3 Characteristics of patients with MD slope ≥−1.0 or <−1.0 dB/year

From: Characteristics of patients with primary open angle glaucoma and normal tension glaucoma at a university hospital: a cross-sectional retrospective study

Clinical characteristics

All (N = 138)

MD slope ≥−1.0 dB/year (N = 82)

MD slope <−1.0 dB/year (N = 56)

P value (≥−1.0 vs. <−1.0)

Age (years)

60.5 ± 11.9

60.7 ± 12.0

61.1 ± 11.9

0.64

Sex (male:female)

72:66

42:40

30:26

0.71

POAG:NTG

46:92

26:56

20:36

0.86

VA (LogMAR)

−0.08 (−0.08 to 0.00)a

−0.08 (−0.18 to 0.00)a

−0.04 (−0.08 to 0.05)a

<0.01*

Refractive error (D)b

−4.46 ± 3.64 (N = 124)

−4.34 ± 3.60 (N = 77)

−4.65 ± 3.72 (N = 47)

0.74

IOP (mmHg)

14.30 ± 3.44

14.59 ± 3.27

13.89 ± 3.67

0.11

MD (dB)

−10.82 ± 7.96

−8.27 ± 7.74

−14.56 ± 6.74

<0.01*

Baseline MD (dB)

−9.23 ± 7.59

−7.64 ± 7.61

−11.56 ± 7.00

<0.01*

MD slope (dB/year)

−0.77 ± 0.98

−0.70 ± 0.95

−1.70 ± 0.56

–

Observation period (month)

28.4 ± 14.0

31.2 ± 16.0

24.2 ± 8.8

0.02*

  1. Mean ± standard deviation
  2. VA visual acuity, IOP intraocular pressure, MD mean deviation, PSD pattern standard deviation, POAG primary open-angle glaucoma, NTG normal-tension glaucoma, D diopter
  3. * Significance at P < 0.05
  4. aMedian (interquartile range)
  5. bData from eyes without refractive surgery