Table 2. Outcomes of patients discharged alive after an index hospital stay for pneumonia in the National Readmissions Sample 2013–2014, overall and by age groups.

All numbers are percentages with SE in parenthesis unless specified otherwise.

Characteristics	Overall	18–44 years	45–64 years	≥ 65 years	P value
Index hospitalization
Length of stay, days (mean ± SEM)	5.2 (0.0)	4.5 (0.0)	5.0 (0.0)	5.4 (0.0)	<0.001
Cost of hospitalization (US$)	10,103	9,306	10,239	10,164	<0.001
Disposition					<0.001
Home or self-care	58.5 (0.2)	86.3 (0.2)	76.3 (0.2)	47.0 (0.2)
Short term hospital	1.0 (0.0)	0.9 (0.0)	1.0 (0.0)	1.0 (0.0)
Skilled care facility	21.9 (0.1)	3.3 (0.1)	9.1 (0.1)	30.0 (0.2)
Home health care	17.3 (0.2)	6.0 (0.2)	11.4 (0.2)	21.4 (0.2)
Others	1.2 (0.0)	3.6 (0.1)	2.2 (0.0)	0.5 (0.0)
30-day Readmission
Unadjusted all-cause rate, %	16.2%	12.4%	16.1%	16.7%	<0.001
Length of stay of index hospitalization in those readmitted, days (mean ± SEM)	6.2 (0.0)	5.7 (0.0)	6.0 (0.0)	6.4 (0.0)	<0.001
Cost of hospitalization (US$)	14,919	15,539	15,976	14,443	<0.001