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Table 4 Convergent Validity – Correlations Between SF-36 and the FACT-An Fatigue and Anemia Subscales

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 FACT-An subscale
Anemia Fatigue
Physical functioning 0.63*** 0.60***
Role-Physical 0.64*** 0.61***
Vitality 0.77*** 0.76***
Role-Emotional 0.53*** 0.52***
Mental Health 0.54*** 0.52***
Social Functioning 0.66*** 0.67***
Bodily Pain 0.53*** 0.53***
General Health 0.64*** 0.61***
Mental Component Summary score 0.62*** 0.62***
Physical Component Summary score 0.69*** 0.66***
  1. Spearman’s rank order correlation. *** p < 0.001
  2. Abbreviations: FACT-An Functional Assessment of Cancer Therapy-Anemia, SF-36 Medical Outcomes Survey Short Form-36