Skip to main content

Table 3 Median, mean and standard deviation of the 19 domains in KDQOL SF – 36

From: Validity and reliability of the Sri Lankan version of the kidney disease quality of life questionnaire (KDQOL-SF™)

Domains

Median (IQR)

Mean (SD)

Number of items

Internal consistency (Cronbach’s alpha)

Kidney disease targeted areas

 Symptom/problem domain

63.6 (50.0–77.3)

63.1 (18.1)

12

0.769

 Effects of kidney disease

75.0 (56.2–87.5)

71.5 (19.9)

8

0.765

 Burden of kidney disease

43.7 (25–62.5)

46.2 (26.7)

4

0.797

 Work status

50.0 (0.0–50.0)

42.6 (30.9)

2

0.859

 Cognitive function

60.0 (40.0–73.3)

57.9 (26.6)

3

0.570

 Quality of social interaction

80.0 (60.0–93.3)

75.5 (19.7)

3

0.745

 Sexual function

100.0 (75.0–100.0)

84.5 (22.0)

2

0.975

 Sleep

62.5 (42.5–77.5)

59.3 (23.5)

4

0.708

 Social support

83.3 (66.7–100.0)

78.1 (22.6)

2

0.894

 Hospital staff encouragement

100.0 (100.0–100.0)

93.6 (16.0)

2

0.906

 Patient satisfaction

66.6 (50.0–83.3)

58.1 (22.1)

1

Not applicable

Physical Component Summary

 Physical functioning

50.0 (15.0–75.0)

46.8 (32.1)

10

0.945

 Role – physical

0.0 (0.0–0.0)

21.1 (39.5)

4

0.975

 Pain

35.0 (22.5–57.5)

40.5 (27.2)

2

0.814

 General health

40.0 (30.0–50.0)

41.1 (18.6)

5

0.701

Mental Component Summary

 Emotional well-being

52.0 (40.0–72.0)

56.2 (22.6)

5

0.874

 Role – emotional

0.0 (0.0–100.0)

26.6 (43.4)

3

0.981

 Social function

62.5 (50.0–100.0)

66.1 (29.8)

2

0.685

 Energy/fatigue

35.0 (20.0–55.0)

37.7 (24.9)

4

0.725

Overall Health

50.0 (40.0–70.0)

51.2 (18.9)

1

Not applicable