Table 3.

Subgroup patient characteristics of intensive care unit admitted patients by subgroups within the period 2011 to 2016 propensity matched on atrial fibrillation status

Characteristic	No AF (n=208)	AF known (n=195)	New-onset AF (n=213)
Age, median (range)	70 (20–93)	76 (31–94)	76 (41–97)
Female, n (%)	90 (43.2)	90 (46.2)	75 (35.2)
APACHE II, median (range)	18 (3–49)	18 (7–44)	19 (5–46)
APACHE III, median (range)	75 (25–191)	74 (26–126)	75 (26–191)
LOS ICU, median (range)	3 (0.2–76.4)	3 (0.1–100)	7 (0.3–95)
LOS hospital, median (range)	13 (0.1–128)	13 (0.1–196)	16 (0.3–96)

New-onset AF includes documented and non-documented AF.

AF, atrial fibrillation; APACHE, Acute Physiology and Chronic Health Evaluation; ICU, intensive care unit; LOS, length of stay.