Prespecified subgroups
REGRESSION, SECONDARY
Regarding the primary outcome, logistic regression showed a statistically significant interaction of the intervention with initial SpOBetween-group comparison of outcomes within 28 days in prespecified subgroups; results of multivariable logistic regression analysis. Overall, similar results were found for the primary and secondary outcomes and for prespecified subgroups when excluding the three patients with do-not-intubate order after inclusion (data not shown).