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. 2019 Jul 5;13(3):425–433. doi: 10.1093/ckj/sfz065

FIGURE 1.

FIGURE 1

Illustration of study design and timing of data collection. Hgb values in Month 1 were measured 0–30 days after starting HD. Hgb values in Month 4 were measured 91–120 days after starting HD. The primary exposure is Month 1 Hgb. The primary analysis was restricted to 4604 patients with Hgb ≥10 g/dL in Month 4, with mortality follow-up beginning after Hgb measurement in Month 4, and ending after 12 months on HD. A secondary analysis of ESA and IV iron doses and mortality was restricted to 5959 patients with no Hgb restriction in Month 4.