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Table 3 Divergent validity of Chinese version Glaucoma Quality of Life-15 (GQL-15-CHI) of patients with different visual field loss*

From: Linguistic and psychometric validation of the Chinese version of the Glaucoma Quality of Life-15 (GQL-15-CHI): a cross-sectional study

Variables

Mild VFL

Moderate VFL

Severe VFL

  

β(SE)

P

β(SE)

P

CHI-GQL-15 summary score

20.76 ± 6.12

28.73 ± 10.81

44.55 ± 15.33

 

Reference

4.63(1.04)

<0.01

15.43(1.62)

<0.01

  

Reference

10.80(1.36)

<0.01

Central and near vision

11.18 ± 14.78

26.84 ± 24.82

52.17 ± 30.77

 

Reference

0.72(0.18)

<0.01

1.93(0.29)

<0.01

  

Reference

1.21(0.24)

<0.01

Periphery vision

5.55 ± 9.13

17.42 ± 17.77

44.87 ± 28.12

 

Reference

1.65(0.44)

<0.01

6.48(0.68)

<0.01

  

Reference

4.83(0.57)

<0.01

Glare and dark adaptation

14.16 ± 13.73

28.59 ± 20.62

53.44 ± 24.44

 

Reference

2.09(0.48)

<0.01

5.93(0.74)

<0.01

  

Reference

3.84(0.62)

<0.01

Outdoor mobility

3.38 ± 9.62

13.48 ± 20.75

44.57 ± 35.06

 

Reference

0.17(0.08)

<0.01

1.09(0.13)

<0.01

  

Reference

0.92(0.11)

0.04

  1. The CHI-GQL-15 summary and subscale scores were presented as mean ± standard deviation; SE: standard error; VFL: visual field loss; *adjusted for age, gender, education, personal monthly income, economic burden, duration of glaucoma, logarithm of the minimum angle of resolution (logMAR) habitual-corrected visual acuity (HCVA) of the better eye and the worse eye, period on topical beta blocker, number of glaucoma surgeries in treatment history, number of antiglaucoma medication used, higher intraocular pressure of both eyes.