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Table 5 Convergent Validity—Correlationsa of FACT-An and SF-36 Scales with Hb Level at Baseline, Week 9 and Week 13/17b

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

  Hb level
Baseline Week 9 Week 13/17b
FACT-An Total/Subscale
Total FACT-An score 0.20* 0.22* 0.33**
 Total FACT-G score 0.22* 0.20* 0.34***
 Physical well-being subscale 0.21* 0.17* 0.32**
 Functional well-being subscale 0.22* 0.21* 0.29**
 Social/family well-being subscale 0.18* 0.09 0.22*
 Emotional well-being subscale 0.16* 0.20* 0.30**
 Anemia subscale 0.14 0.22* 0.28*
 Fatigue subscale 0.11 0.26** 0.30**
 Trial outcome index 0.19* 0.22* 0.32**
SF-36v2 Domain/Component
 Physical Functioning 0.07 0.13 0.12
 Role-physical 0.24** 0.23* 0.25*
 Role-emotional 0.12 0.13 0.25*
 Vitality 0.18* 0.23* 0.28**
 Mental Health 0.23* 0.22* 0.27*
 Social Functioning 0.10 0.12 0.31**
 Bodily Pain 0.00 0.10 0.25*
 General Health 0.17* 0.22* 0.26*
Mental Component Summary 0.20* 0.18* 0.30**
 Physical Component Summary 0.10 0.19* 0.22*
  1. a.Spearman’s rank order correlation. *p < 0.05; **p < 0.001; ***p < 0.001
  2. b.Week 13 for NCT00671657; Week 17 for NCT01244763