Table 3.

Multivariate model of mortality.

	Adjusted HR	95% CI	p
ATB	1.539	[0.706; 3.354]	0.278
MDRD at admission	0.994	[0.986; 1.002]	0.163
Leucocyte count at admission	1.097	[1.022; 1.178]	0.010
Saturation at admission	0.927	[0.891; 0.964]	0.0001

Adjustment for the variables linked to the primary endpoint at the 5% threshold in univariate analysis (previous table).

Note: there was no adjustment for CRP or O₂ because these variables are linked to antibiotic use and increase the variance of the estimators by more than 20% (VIF test).