Table 1.

Patient characteristics. Results are presented as mean ± standard deviation or median (interquartile range).

Variable	Total (N=531)	Was Not Readmitted (N=414)	Was Readmitted (N=117)	p-value
Age (years)	61.0 ± 17.6	60.8 ± 17.9	61.9 ± 16.3	0.53
Female	281 (52.9%)	212 (51.2%)	69 (59.0%)	0.17
Caucasian/White	368 (69.3%)	286 (69.1%)	82 (70.1%)	0.92
Active Smoker	164 (30.9%)	122 (29.5%)	42 (35.9%)	0.22
Charlson Co-Morbidity Index	6.0 (5.0, 8.0)	5.5 (4.0,7.0)	5.0 (3.9, 8.0)	0.58
Insurance
Medicare	300 (56.6%)	223 (53.9%)	77 (65.8%)	0.03
Medicaid	132 (24.9%)	108 (26.1%)	24 (20.5%)	0.27
Other	99 (18.6%)	83 (20.0%)	16 (13.7%)	0.15
Length of ICU admission (days)	2.3 ± 1.9	2.1 ± 0.9	2.8 ± 1.4	0.04
Length of Hospitalization (days)	6.9 ± 5.6	6.4 ± 5.1	8.7 ± 6.9	<0.01
SOFA (first 24 hours)	7.0 (4.0–10.0)	6.5 (4.8–9.0)	7.0 (4.0, 11.0)	0.09
ADI	54.2 ± 23.8	51.8 ± 22.2	62.5 ± 27.4	<0.01
Discharge
Home	358 (67.3%)	293 (70.8%)	65 (55.6%)	<0.01
Acute Rehabilitation	69 (13.0%)	54 (13.0%)	15 (12.8%)	1.00
SNF	105 (19.7%)	68 (16.4%)	37 (31.6%)	<0.01

ADI = Area Deprivation Index; SOFA = Sequential Organ Failure Assessment; SNF = Skilled Nursing Facility