RT Journal A1 Perl J, MD, SM, Wald R, MDCM, MPH, Na Y, PhD, Bell CM, MD, PhD, Harel Z, MD T1 COntinuous mortality risk among peritoneal dialysis patients JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2012 FD April 9 VO 172 IS 7 SP 589 OP 590 DO 10.1001/archinternmed.2012.215 UL http://dx.doi.org/10.1001/archinternmed.2012.215 AB A typical CHD schedule results in 2 one-day intervals and 1 two-day interval between dialysis sessions. The 2-day interval usually occurs from Saturday through Sunday or Sunday through Monday. Among CHD recipients, the period immediately following the 2-day interdialytic interval (either Monday or Tuesday) has recently been associated with an increased risk of death compared with other days of the week.1 The increased mortality risk may be mediated via significant fluid gain and electrolyte disequilibrium that occurs during the 2-day hiatus from dialysis. Since PD occurs daily, we hypothesized that mortality rates should be stable across different days of the week among PD recipients compared with those receiving CHD.