Skip to main content

Table 7 FACT-An: 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

FACT-An total/ subscale 1 SEM 0.5 SD Vitality 3–4, Week 9 Vitality 3–4, Week 13/17 Physical functioning 2.8–4.2, Week 9 Physical functioning 2.8–4.2, Week 13/17 PCS 2–4, Week 9 PCS 2–4, Week 13/17 Linking vitality Linking physical functioning Linking PCS
Total 10.4 15.0 8.7 7.8 4.8 9.1 4.4 7.1 7.50 8.11 6.38
Anemia subscale 6.2 7.5 5.2 4.2 1.3 5.5 2.5 4.7 3.75 4.05 3.19
Fatigue subscale 5.2 5.7 4.0 3.2 2.1 3.9 2.1 3.6 2.88 3.11 2.45
General 6.4 8.5 3.6 3.6 3.5 3.6 1.9 2.4    
Physical Well-Being 2.3 2.7 0.7 1.5 −0.4 1.3 0.3 1.3    
Functional Well-Being 2.7 3.3 0.6 0.4 1.7 2.4 0.0 −0.4    
Social Well-Being 2.8 2.9 0.9 0.7 0.5 −0.5 0.9 1.7    
Emotional Well-Being 2.5 2.4 1.2 1.0 1.7 0.3 0.7 −0.2    
  1. Abbreviations: FACT-An Functional Assessment of Cancer Therapy-Anemia, PCS Physical Component Summary, SD standard deviation, SEM standard error of measurement