Comparison of clinical characteristics and outcomes between aspiration pneumonia and community-acquired pneumonia in patients with chronic obstructive pulmonary disease

Table 3 Clinical outcomes

		AsP (n = 16,388)		CAP (n = 70,942)		p
Death		3,726	(22.7)	8,671	(12.2)	<0.001
Length of stay (days)		21.0 [12–40]		15.0 [10–26]		<0.001
ICU admission		522	(3.2)	2021	(2.8)	0.021
Length of ICU stay (days)		4.0 [2–10]		4.0 [2–9]		0.527
Mechanical ventilation		1,951	(11.9)	7,339	(10.3)	<0.001
Duration of mechanical ventilation (days)		6.0 [1–21]		7.0 [2–20]		0.001
	Death†	1,010	(51.8)	3,036	(41.4)	<0.001

Data are expressed as numbers (%) or medians [interquartile range];†% indicates the proportion of patients who died, among those who underwent mechanical ventilation. Abbreviations: AsP aspiration pneumonia, CAP community-acquired pneumonia, ICU intensive care unit

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