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Table 1 Characteristics of the respondents at baseline, compared with those of non-respondents at five-month follow-up

From: Co-morbidity and visual acuity are risk factors for health-related quality of life decline: five-month follow-up EQ-5D data of visually impaired older patients

Patient characteristics

Respondents (n = 246)

Non-respondents (n = 50)

Age in years: mean (SD)

78.0 (8.9)

80.3 (7.8)

Gender: female

62.6%

58.0%

LogMAR visual acuity best eye: median [IQR]

0.55 [0.42;0.77]

0.52 [0.41;0.80]

Social status: living alone

52.4%

62.0%

Independent living:

85.8%

78.0%

Rehabilitation type: optometric service

53.7%

58.0%

Co-morbidity:

75.5%

70.0%

Primary cause of visual impairment*

  

Age-related macular degeneration

53.1%

50.0%

Diabetic retinopathy

13.2%

14.0%

Glaucoma

5.8%

8.0%

Cataract

5.3%

6.0%

Occluded vein

5.3%

6.0%

Other

17.3%

16.0%

  1. SD = standard deviation; IQR = interquartile range;
  2. *Cause of visual impairment in the eye with the better visual acuity as assessed at baseline during a routine clinical
  3. eye examination by the participant's ophthalmologist.