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Table 2 Conditional logistic regression analysis for risk of acute lung injury/acute respiratory distress syndrome (ALI/ARDS) in the sepsis cohort (left) and 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
  OR 95% CI P-value OR 95% CI P-value
Age (increment of one year) 0.98 0.84 to 1.15 0.805 0.93 0.77 to 1.13 0.482
Gender (male versus female) 1.14 0.63 to 2.04 0.668 0.81 0.39 to 1.71 0.586
Diabetes (yes versus no) 0.61 0.33 to 1.12 0.110 1.10 0.39 to 3.08 0.854
Smoking (never versus ever) 1.63 0.86 to 3.11 0.136 1.15 0.54 to 2.41 0.720
Vitamin D levels (summer)a 1.16 0.60 to 2.25 0.663 1.25 0.55 to 2.86 0.591
Vitamin D levels (winter)a 1.68 1.05 to 2.69 0.029 1.23 0.74 to 2.06 0.425
Season (winter versus summer)b 1.36 0.49 to 3.75 0.553 0.61 0.20 to 1.86 0.385
  1. Abbreviations: OR odds ratio, CI confidence interval.
  2. athird versus first quartile; sepsis cohort: 58.9 versus 27.6 nmol/L; trauma cohort: 71.9 versus 37.2 nmol/L.
  3. bvitamin D was fixed at median; sepsis cohort: 43.2 nmol/L; trauma cohort: 53.4 nmol/L.