Table 3.

Multivariable analysis of predictors of DNR code status at admission.

Factor	aOR	95% CI	p
Age	1.10	1.05–1.15	<0.001
Sex, male	0.63	0.28–1.45	0.272
Charlson comorbidity index	1.01	0.82–1.24	0.917
Preferred language, not English	0.29	0.10–0.74	0.012
Residence before hospitalization, not private home	2.68	1.23–5.71	0.011
SAPS II	1.04	1.01–1.07	0.003
PaO2 / FiO2 ratio	1.00	0.99–1.00	0.854

Definition of abbreviations: aOR = adjusted odds ratio; CI = confidence interval; SAPS = Simplified Acute Physiology Score; PaO₂ / FiO₂ ratio = partial pressure of oxygen (PaO₂) to fraction of inspired oxygen (FiO₂) ratio.