Table 4. Likelihood ratio test comparing models for predicting mortality.

qSOFA- vs qSOFA+	L.R.χ2	d.f.	P-value
All	37.9	1.0	<0.001
Infected patinets	3.7	1.0	0.052
Noninfected patients	27.6	1.0	<0.001

d.f., degrees of freedom; L.R., likelihood ratio; qSOFA, quick Sequential Organ Failure Assessment