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Table 2 Outcomes of ICU patients (n = 15,014) with and without new-onset atrial fibrillation (NOAF)

From: New-onset atrial fibrillation and associated outcomes and resource use among critically ill adults—a multicenter retrospective cohort study

CharacteristicNew-onset atrial fibrillation (n = 1541)No atrial fibrillation (n = 13,473)Adjusted odds ratioc (95% CI)P value
In-hospital mortality, n (%)576 (37.4)4034 (29.9)1.02 (0.97–1.08)0.31
Disposition, n (%)a0.95 (0.88–1.09)0.57
 Home562 (58.2)6230 (66.0)  
 Long-term care center403 (41.8)3209 (34.0)  
Time to NOAF development from hospital admission, days, median (IQR)1 (1–3)  
Persistent atrial fibrillation, n (%)b345 (22.4)  
ICU length of stay, days, median (IQR)7 (4–14)6 (2–9) < 0.001
Hospital length of stay, days, median (IQR)14 (8–29)12 (4–25) < 0.001
Ventilator-free days, median (IQR)6 (3–8)6 (4–10) 0.03
Readmission to ICU during hospitalization, n (%)225 (14.6)1670 (12.4)1.04 (0.94–1.11)0.27
Readmission within 30 days from discharge, n (%)a294 (30.5)2426 (25.7)1.08 (0.87–1.19)0.13
  1. Abbreviations: ICU intensive care unit, IQR interquartile range, MODS Multiple Organ Dysfunction Score, SD standard deviation
  2. aOnly includes patients surviving to discharge (n = 10,404)
  3. bDefined as presence of any atrial fibrillation following 24 h of treatment
  4. cRatio of NOAF to patients with no atrial fibrillation