Fig. 3From: Relationship between red blood cell distribution width-to-albumin ratio and outcome of septic patients with atrial fibrillation: a retrospective cohort studyKaplan–Meier survival analysis of in-hospital survival within different quartiles. Q1, RAR < 4.06; Q2, 4.06 ≤ RAR < 4.89; Q3, 4.89 ≤ RAR < 6.0; Q4, RAR ≥ 6.0; . RAR, red blood cell distribution width-to-albumin ratioBack to article page