Annals of Intensive Care

Table 3 Survival analysis for hospital mortality in the sepsis cohort (left) and the trauma cohort (right)

From: Vitamin D deficiency and risk of acute lung injury in severe sepsis and severe trauma: a case-control study

Characteristics	Sepsis cohort			Trauma cohort
	HR	95% CI	P-value	HR	95% CI	P-value
Age (increment of one year)	1.02	1.00 to 1.05	0.100	1.04	1.01 to 1.08	0.019
Gender (male versus female)	1.19	0.67 to 2.12	0.552	1.16	0.37 to 3.62	0.794
Diabetes (yes versus no)	1.14	0.64 to 2.02	0.663	0.82	0.22 to 3.05	0.768
Smoking (never versus ever)	0.82	0.44 to 1.54	0.543	0.90	0.31 to 2.66	0.855
Vitamin D levels^a	0.74	0.53 to 1.05	0.092	0.59	0.30 to 1.19	0.140
Season (winter versus summer)	0.86	0.48 to 1.54	0.618	0.85	0.27 to 2.73	0.787

Abbreviations: HR hazard ratio, CI confidence interval.
^athird versus first quartile; sepsis cohort: 58.9 versus 27.6 nmol/L; trauma cohort: 71.9 versus 37.2 nmol/L.

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