Table 2.

Variables included in matching of the three cohorts (sepsis, infection, inflammatory illness)

	Group 1 sepsis	Group 2 infection	Group 2 versus 1 p value	Group 3 inflammatory illness	Group 3 versus 1 p value
Number of patients n	10,000	10,000		9997
Variables included in the matching:
Age: quintile < 20% n (%) years	1970 (19.7)	1970 (19.7)	1	1970 (19.7)	1
Age: quintile 20–40% n (%) years	1897 (19)	1897 (19)		1897 (19)
Age: quintile 40–60% n (%) years	1992 (19.9)	1992 (19.9)		1989 (19.9)
Age: quintile 60–80% n (%) years	2112 (21.1)	2112 (21.1)		2112 (21.1)
Age: quintile 80–100% n (%) years	2029 (20.3)	2029 (20.3)		2029 (20.3)
Age: mean (SD) years	65.01 (14.72)	64.89 (14.98)	0.9172	64.38 (16.42)	0.5243
Age: median (IQR) years	68 (57–76)	68 (57–76)		68 (56–76)
Sex: female n (%)	4203 (42)	4203 (42)	1	4200 (42)	1
Sex: male n (%)	5797 (58)	5797 (58)		5797 (58)
Prognostic score: quintile < 20% n (%)	1996 (20)	1996 (20)	1	1996 (20)	1
Prognostic score: quintile 20–40% n (%)	1962 (19.6)	1962 (19.6)		1962 (19.6)
Prognostic score: quintile 40–60% n (%)	2025 (20.2)	2025 (20.2)		2022 (20.2)
Prognostic score: quintile 60–80% n (%)	2019 (20.2)	2019 (20.2)		2019 (20.2)
Prognostic score: quintile 80–100% n (%)	1998 (20)	1998 (20)		1998 (20)
Prognostic score: mean (SD)	0.21 (0.18)	0.21 (0.17)	0.5148	0.23 (0.2)	0.7745
Prognostic score: median (IQR)	0.158 (0.085–0.286)	0.157 (0.085–0.284)		0.157 (0.084–0.298)
LOS ICU: quintile < 33% n (%)	3262 (32.6)	3262 (32.6)	1	3262 (32.6)	1
LOS ICU: quintile 33–66% n (%)	3330 (33.3)	3330 (33.3)		3330 (33.3)
LOS ICU: quintile > 66% n (%)	3408 (34.1)	3408 (34.1)		3405 (34.1)
LOS ICU: mean (SD) days	6.38 (10.34)	6.29 (10.49)	0.9684	5.99 (9.69)	0.0704
LOS ICU: median (IQR) days	2.849 (1.449–6.867)	2.941 (1.37–6.775)		2.892 (1.253–6.499)

LOS, length of stay; ICU, intensive care unit