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. 2021 Feb 9;36(11):2084–2093. doi: 10.1093/ndt/gfaa332

FIGURE 1.

FIGURE 1

Study design. The baseline period extends up to 730 days prior to the index date, which is designed as Day 121 after initiation of hemodialysis. Baseline covariates, UF rate and other dialysis parameters were assessed during the baseline period. The follow-up period begins at the index date and is divided into successive 30-day covariate assessment intervals, 30-day UF rate (exposure) intervals and 30-day atrial fibrillation (outcome) intervals. AFib, atrial fibrillation; UF rate, mean delivered UF rate (mL/h/kg).