Skip to main content

Table 1 Characteristics 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)
Age, years, mean (SD)64.7 (17.6)58.7 (12.2)
Male, n (%)854 (55.4)7114 (52.8)
ICU MODS, mean (SD)5.3 (2.4)4.2 (2.7)
Comorbidities
 Congestive heart failure223 (14.5)869 (6.4)
 Peripheral vascular disease124 (8.0)418 (3.1)
 Hypertension525 (34.1)3341 (24.8)
 Chronic obstructive pulmonary disease176 (11.4)1414 (10.5)
 Diabetes mellitus427 (27.7)3422 (25.4)
 Chronic kidney disease129 (8.4)1037 (7.7)
 Liver disease63 (4.1)528 (3.9)
 Malignancy221 (14.3)1874 (13.9)
 Alcohol misuse81 (5.3)732 (5.4)
 Psychosis23 (1.5)139 (1.0)
 Depression41 (2.7)288 (2.1)
Elixhauser Comorbidity Score, mean (SD)5.3 (4.1)4.1 (3.7)
Daytime ICU admission (0800–1700), n (%)932 (60.5)8472 (62.9)
Location prior to ICU admission, n (%)
 Emergency department653 (42.4)5930 (44.0)
 Hospital wards501 (32.5)4374 (32.5)
 Operating room78 (5.1)754 (5.6)
 Peripheral hospital309 (20.1)2415 (17.9)
Previous ED visits, mean (SD)a2.3 (2.5)2.3 (2.2)
Previous ICU admissions, mean (SD)a0.3 (1.0)0.7 (1.1)
Previous ICU days, mean (SD)a2.3 (5.4)2.0 (5.0)
No CPR directive at admission, n (%)299 (19.4)1480 (11.0)
Most responsible diagnosis, n (%)
 Infection/sepsis349 (22.6)2037 (15.1)
 Respiratory failure289 (18.8)2732 (20.3)
 Trauma137 (8.9)1388 (10.3)
 Malignancy117 (7.6)1283 (9.5)
 Spontaneous intracranial hemorrhage99 (6.4)1182 (8.8)
 Stroke90 (5.8)1073 (8.0)
 Overdose/poisoning36 (2.3)432 (3.2)
 Renal failure41 (2.6)399 (3.0)
 Gastrointestinal bleeding57 (3.7)321 (2.4)
 Congestive heart failure104 (6.7)409 (3.0)
 Cardiac arrest22 (1.4)188 (1.4)
 Seizures/status epilepticus18 (1.2)202 (1.5)
 Diabetic ketoacidosis9 (0.6)116 (0.9)
 Other173 (11.2)1711 (12.7)
  1. Abbreviations: CPR cardiopulmonary resuscitation, ED emergency department, ICU intensive care unit, MODS Multiple Organ Dysfunction Score, SD standard deviation
  2. aOnly including patients with previous visits to the Ottawa Hospital