Table 2.

Comparison of characteristics between sepsis and nonsepsis hospitalizations at risk of readmission

	Nonsepsis Hospitalization (n = 108,958)	Sepsis Hospitalization (n = 3,620)	P Value
Clinical factors at presentation
Age, yr	58 ± 17	59 ± 17	0.005
Male sex, n (%)	55,073 (50.6)	2,000 (55.2)	<0.001
Race, n (%)
White	61,530 (58.0)	1,961 (56.2)	0.02
Black	39,521 (37.3)	1,327 (38.1)
Asian	2,009 (1.9)	85 (2.4)
Other	2,931 (2.8)	113 (3.2)
Marital status, n (%)
Married	49,695 (45.6)	1,645 (45.4)
Single/never married	37,863 (34.8)	1,324 (36.6)	0.02
Divorced/separated/widowed	21,400 (19.6)	651 (18.0)
Insurance status, n (%)
Medicare	46,868 (43.1)	1,705 (47.2)	<0.001
Medicaid	11,533 (10.6)	326 (9.0)
Private	49,175 (45.2)	1,568 (43.4)
None	1,165 (1.1)	16 (0.44)
Charlson Comorbidity Index	2 (0–4)	2 (1–5)	<0.001
Any malignancy diagnosis*	17,061 (15.7)	1,198 (33.1)	<0.001
Number of hospitalizations in prior year
0	67,506 (62.0)	1,572 (43.4)
1–5	38,136 (35.0)	1,852 (51.2)	<0.001
>5	3,316 (3.0)	196 (5.4)
Index admission type: nonelective	71,128 (65.3)	3,064 (84.6)	<0.001
Length of stay, d	3.6 (2.1–6.2)	12.8 (6.1–24.4)	<0.001
Intensive care unit admission	19,887 (18.2)	1,908 (52.7)	<0.001
Number of procedures	1 (0–3)	3 (1–7)	<0.001
Number of medications at discharge	8 (0–13)	14 (9–20)	<0.001
Discharge hemoglobin, g/dl	10.9 (9.5–12.4)	9.5 (8.7–10.5)	<0.001
Discharge red cell distribution width, %	14.7 (13.6–16.5)	16.5 (14.9–18.5)	<0.001

Categorical variables are presented as counts and percentages. Continuous variables are presented as means and standard deviations or median and interquartile ranges, as determined by their distribution.

^*According to International Classification of Diseases, Ninth Revision, Clinical Modification, malignancy codes per Deyo-Charlson (25).