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. 2016 Apr 1;39(4):945–953. doi: 10.5665/sleep.5660

Figure 3.

Figure 3

Subjective sleep quality and sleep medication use across CKD stages and eGFR quartiles. (A,B) Sleep quality and CKD stages/eGFR quartiles. (C,D) Sleep medication use and CKD stages/eGFR quartiles. CKD, chronic kidney disease; CKD stage 1–2, eGFR ≥ 60 mL/min/1.73 m2 with albuminuria; CKD stage 3, eGFR 30–60 mL/min/1.73 m2; eGFR, glomerular filtration rate, estimated with the Chronic Kidney Disease Epidemiology Collaboration (CKD–EPI) formula; No CKD, eGFR ≥ 60 mL/min/1.73 m2 without albuminuria; Q1-Q4, quartiles of eGFR (30 to 72; 72 to 83; 83 to 93 and 93 to 127 ml/ min/1.73 m2).