**5. Suggested stepwise approach to ESA hyporesponsiveness**


#### **Figure 1.**

*Suggested stepwise approach to ESA hyporesponsiveness. TSAT: transferrin saturation, HRC%: hypochromic red blood cell %, CRP: C-reactive protein, GI: gastrointestinal, ACEI: angiotensin-converting enzyme inhibitor, and LDH: lactate dehydrogenase.*
