(a)
(b)
Figure 4: Quality of life (QoL) of patients assessed by the FACT-An questionnaire at baseline and after 6 and 12 weeks of the observation period. (a) Anemia-specific subscale score range [0–80]; difference of 4 points is considered clinically relevant [14, 15]; (b) FACT-An total score range [0–188]; difference of 7 points is considered clinically relevant [14, 15]; higher scores indicate a better QoL; numbers indicate the number of questionnaires returned.