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Table 2 Descriptive Statistics for the SF-36 and FACT-An at Baseline

From: Measurement properties of the Short Form-36 (SF-36) and the Functional Assessment of Cancer Therapy - Anemia (FACT-An) in patients with anemia associated with chronic kidney disease

Measure

N

Mean ± SD

Range

Median

Mode

Missing N, %

SF-36a

 Physical Functioning

194

38.2 ± 11.1

17.1–57.0

38.1

36.0

0 (0.0%)

 Role-physical

194

40.1 ± 11.2

17.7–56.9

39.7

37.3

0 (0.0%)

 Role-emotional

193

41.3 ± 13.7

9.2–55.9

44.2

55.9

1 (0.5%)

 Vitality

194

47.7 ± 12.0

20.9–70.8

49.0

45.9

0 (0.0%)

 Mental Health

194

48.4 ± 11.5

19.0–64.1

52.8

52.8

0 (0.0%)

 Social Functioning

194

45.3 ± 11.5

13.2–56.9

45.9

56.9

0 (0.0%)

 Bodily Pain

194

47.3 ± 11.2

19.9–62.1

46.1

62.1

0 (0.0%)

 General Health

194

39.5 ± 9.5

16.2–62.5

38.6

32.9

0 (0.0%)

 Physical Component Summary

194

40.0 ± 9.4

17.0–64.0

40.7

27.5

0 (0.0%)

 Mental Component Summary

194

48.0 ± 11.5

14.3–67.3

49.6

32.1

0 (0.0%)

FACT-An

 Total FACT-An score

197

131.5 ± 30.0

44.0–185.0

131.0

122.0

1 (0.5%)

 Total FACT-G score

197

77.6 ± 17.0

25.0–106.8

78.0

72.0

1 (0.5%)

 Physical Well Being

198

20.9 ± 5.5

2.0–28.0

22.0

25.0

0 (0.0%)

 Functional Well Being

197

18.0 ± 6.5

2.0–28.0

18.0

28.0

1 (0.5%)

 Social Well Being

198

21.0 ± 5.8

2.0–28.0

22.0

28.0

0 (0.0%)

 Emotional Well Being

197

17.8 ± 4.7

0.0–24.0

19.0

21.0

1 (0.5%)

 Anemia subscale

198

53.9 ± 15.0

14.0–80.0

54.9

57.0

0 (0.0%)

 Fatigue subscale

198

34.2 ± 11.5

8.0–52.0

35.5

28.0

0 (0.0%)

 Trial outcome index

197

92.7 ± 24.6

27.0–136.0

92.0

72.0

1 (0.5%)

  1. a.Norm-based score based on 2009 US general population survey