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Table 5 Mean change in individual items of the VFQ-25 for five groups of patients categorized by ETDRS change

From: The longitudinal link between visual acuity and health-related quality of life in patients with diabetic retinopathy

Baseline to month 18 change in each item of the VFQ-25† mean (SD)

Five groups of patients categorized by ETDRS change from baseline to month 18

 

Improved by ≥ 10 (N = 28–35)

Improved by 5 to 9 (N = 78–85)

No change (-4 to +4) (N = 286–323)

Worsened by 5 to 9 (N = 45–53)

Worsened by ≥ 10 (N = 27–39)

General vision (Item 2)

9.1 (17.0)

3.3 (16.9)

-0.2 (15.8)

-1.5 (14.1)

-13.3 (19.1)

Ocular pain

     

   4. Amount pain

2.9 (24.1)

1.8 (22.8)

3.3 (19.5)

2.4 (19.2)

5.1 (20.0)

   19. Amount time: pain

0.7 (14.2)

-2.1 (16.0)

1.2 (16.1)

2.4 (17.2)

-1.9 (18.5)

Near vision

     

   5. Reading normal newsprint

9.6 (24.6)

5.5 (24.5)

1.0 (23.9)

-1.4 (25.9)

-14.5 (34.7)

   6. Seeing well up close

8.6 (25.7)

4.3 (25.1)

1.9 (22.7)

-7.7 (20.1)

-12.8 (26.8)

   7. Finding objects on crowded shelf

2.2 (21.6)

0.9 (19.6)

0.3 (20.8)

-3.3 (20.8)

-19.9 (31.0)

Distance vision

     

   8. Reading street signs

5.7 (24.3)

3.3 (22.2)

-0.9 (20.1)

-4.2 (23.4)

-16.0 (29.0)

   9. Going down stairs at night

-0.8 (14.6)

0.0 (22.3)

0.6 (21.3)

-5.2 (24.2)

-10.9 (24.9)

   14. Going out to movies/plays

3.3 (10.9)

-0.3 (16.7)

1.1 (15.8)

-7.8 (23.7)

-20.8 (27.1)

Social function

     

   11. Seeing how people react

2.3 (9.6)

-0.6 (14.5)

-0.5 (15.3)

-6.7 (23.8)

-13.5 (32.4)

   13. Visiting others

3.7 (10.9)

-0.6 (8.7)

-0.5 (12.1)

-1.0 (14.0)

-9.0 (25.3)

Mental health

     

   3. Amount true: worry

6.4 (21.3)

9.4 (22.2)

4.7 (26.3)

0.0 (25.9)

-8.3 (28.3)

   21. Amount true: frustrated

12.9 (33.4)

0.9 (25.7)

0.3 (27.7)

-3.4 (41.7)

-17.3 (37.7)

   22. Amount true: no control

7.9 (30.8)

-0.6 (27.3)

-1.8 (26.1)

-6.7 (34.0)

-21.8 (37.7)

   25. Amount true: embarrassment

2.1 (15.3)

-0.6 (18.9)

-1.1 (19.1)

-2.9 (27.4)

-22.4 (39.2)

Role limitations

     

   17. Accomplish less

5.0 (27.7)

3.8 (25.7)

-0.9 (22.8)

-6.6 (26.9)

-23.1 (34.1)

   18. Limited in endurance

2.1 (15.3)

3.8 (23.6)

1.3 (20.9)

-6.1 (32.5)

-19.9 (35.9)

Dependency

     

   20. Stay home most of time

5.7 (15.0)

-2.6 (14.4)

-1.0 (13.8)

-5.3 (18.7)

-21.8 (31.5)

   23. Rely too much on others' word

2.9 (18.0)

-3.2 (18.0)

0.3 (20.8)

-8.2 (32.0)

-28.2 (39.0)

   24. Need help from others

1.4 (21.0)

-3.2 (17.2)

-0.2 (19.9)

-9.1 (32.1)

-28.2 (40.2)

Driving

     

   15C. Daylight familiar places

-0.8 (10.0)

1.6 (12.2)

-1.7 (14.6)

-4.8 (17.8)

-25.0 (38.7)

   16. Nighttime familiar places

-0.9 (25.9)

-5.7 (25.6)

-0.8 (19.2)

-6.1 (30.7)

-7.1 (34.6)

   16A. Difficult conditions

-4.3 (24.2)

-2.9 (20.9)

-0.9 (20.5)

-8.7 (21.9)

-13.0 (32.1)

Color vision

     

   12. Difficulty matching clothes

2.3 (15.8)

-1.5 (14.7)

0.6 (12.4)

-3.8 (17.4)

-11.5 (31.3)

Peripheral vision

     

   10. Seeing objects off to side

5.7 (20.2)

-2.6 (17.3)

-0.5 (18.6)

-5.0 (22.0)

-16.7 (32.1)

  1. †Three items of the VFQ-25 are not included in this table: 1 (general health), 15a (never driven/given up driving), and 15b (reason for giving up driving). Item 1 was not completed by most participants in this study. Items 15a and 15b follow skip-patterns and are not rated on the same scale as the other items.
  2. ETDRS = Early Treatment Diabetic Retinopathy Study; SD = standard deviation; VFQ-25 = 25-Item Visual Function Questionnaire