Multivariate logistic regression model: determinants associated with do-not-resuscitate (DNR) order implementation

Odds ratio (95% CI)p-value
Age years1.063 (1.037–1.090)<0.001
Male versus female1.043 (0.638–1.705)0.866
BMI kg·m−20.982 (0.938–1.027)0.417
FEV1 % pred0.979 (0.966–0.992)0.002
DLCO % pred0.988 (0.972–1.003)0.127
MRCQ score 3–5 versus 1–21.389 (0.883–2.185)0.155
Chronic oxygen dependency? Yes versus no3.641 (1.995–6.646)<0.001
Previous mechanical ventilation? Yes versus no3.398 (1.469–7.860)0.004

Bold type represents statistical significance. BMI: body mass index; FEV1: forced expiratory volume in 1 s; DLCO: diffusing capacity of the lung for carbon monoxide; MRCQ: Medical Research Council Questionnaire.