Prevalence, awareness, and treatment of anemia in Chinese patients with nondialysis chronic kidney disease: First multicenter, cross-sectional study.

An increasing trend of anemia was associated with advancing CKD stage (Fig. 1 ), that is, 22.4% in stage 1, 30.0% in stage 2, 51.1% in stage 3, 79.2% in stage 4, and 90.2% in stage 5 (χ 2 trend = 675.14, P < 0.001). 3.3 Awareness of anemia Anemia awareness was 67.5% in the overall sample.

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This rate was found to increase from CKD stage 1 to CKD stage 3 which then demonstrated a decreasing trend till stage 5: 10.7% in stage 1, 13.3% in stage 2, 17.1% in stage 3, 8.8% in stage 4, and 5.6% in stage 5 (Table 3 ). 3.5.1 EPO treatment Of the 1246 patients with anemia, 496 (39.8%) received EPO treatment (493 received EPO-α).

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