Table 1 Demographic data of the study population.

From: Optic disc cupping characteristics of normal pressure hydrocephalus patients with normal-tension glaucoma

Variables

iNPH(+)

iNPH(−)

p value

NTG(−)

NTG(+)

NTG

Patients (n)

9

11

16

 

Number of eyes (n)

18

22

27

 

Gender (male:female)

6:3

6:5

7:9

NS*

Age (years)

Mean ± SD

77.2 ± 5.70

77.63 ± 3.90

73.75 ± 2.65

NS**

[range]

63–85

67–87

60–83

 

IOP (mmHg)

Mean ± SD

11.7 ± 2.5

12.6 ± 2.7

13.7 ± 2.2

†<0.005**

[range]

9–16

9–18

10–19

 

Disc depth (μM)

Mean ± SD

221.8 ± 73.7

228.1 ± 75.1

333.3 ± 113.2

††<0.0001**

[range]

86–351

115–368

217–616

 

Vertical C/D ratio

Mean ± SD

0.4 ± 0.07

0.55 ± 0.11

0.55 ± 0.08

NS**

[range]

0.3–0.5

0.4–0.8

0.4–0.7

 

Glaucomatous optic disc appearances (FI:GE:MY:SS)

—

6:16:0:0

5:15:2:2

 

MD

Mean ± SD

—

−5.309545 ± 2.446755

−4.131154 ± 1.870012

NS**

[range]

—

−25.87~−0.22

−18.07~2.11

 
  1. *Fisher’s exact test; **Analysis of variance.
  2. †Statistically significant difference between the non-NTG-iNPH and non-iNPH-NTG groups (Steel-Dwass test).
  3. ††Statistically significant difference between the iNPH-NTG and non-iNPH-NTG groups (Steel-Dwass test). IOP, intraocular pressure; FI, focal ischemic; GE, general enlargement; MY, myopic glaucomatous; SS, senile sclerosis; MD, mean deviation; NTG, normal-tension glaucoma; iNPH, idiopathic normal pressure hydrocephalus.
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