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Table 6 SF-36: Important Change Score Estimates Using Distribution-based, Anchor-based, and Linking Methods

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

SF-36 Domain/Component Summary score

1 SEM

0.5 SD

Anemia 4–7, Week 9

Anemia 4–7, Week 13/17

Fatigue 3–5, Week 9

Fatigue 3–5, Week 13/17

Linking FACT-An total

Linking anemia

Linking fatigue

Physical functioning

4.6

5.5

2.6

2.9

1.5

2.3

2.59

2.96

2.90

Role-Physical

6.2

5.6

1.7

2.4

1.0

0.7

   

Vitality

7.2

6.0

5.7

3.1

3.9

1.0

2.80

3.20

3.13

Role-Emotional

7.0

6.9

2.9

−1.3

3.7

−2.4

   

Mental Health

5.8

5.7

3.4

−0.2

3.2

0.9

   

Social Functioning

6.4

5.8

1.4

1.0

0.5

−1.5

   

Bodily Pain

5.7

5.6

2.1

−1.4

−0.2

−3.0

   

General Health

4.8

4.8

3.1

−2.2

− 1.5

− 2.2

   

Physical Component Summary score

4.2

4.7

2.0

1.5

−0.8

0.0

2.19

2.51

2.45

Mental Component Summary score

5.7

5.8

3.6

−0.5

3.8

−1.3

   
  1. Abbreviations: FACT-An Functional Assessment of Cancer Therapy-Anemia, SD standard deviation, SEM standard error of measurement, SF-36 Medical Outcomes Survey Short Form-36