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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