Efficacy of the quick sequential organ failure assessment for predicting clinical outcomes among community-acquired pneumonia patients presenting in the emergency department

Table 5 The characteristics for various predictors of 28-day mortality in CAP patients

Variables	AUC (95% CI)	S.E	P	Cut off	Sensitivity	Specificity	PPV	NPV	LR+	LR-
Lac	0.611 (0.575–0.646)	0.022	< 0.001	2.3	45.48	73.59	53.8	66.7	1.72	0.74
PCT	0.624 (0.588–0.659)	0.020	< 0.001	0	59.80	62.08	51.3	69.8	1.58	0.65
WBC	0.534 (0.498–0.571)	0.022	0.115	11.68	54.85	54.63	44.9	64.2	1.21	0.83
CRP	0.537 (0.501–0.574)	0.022	0.083	45.3	28.09	78.56	46.9	61.8	1.31	0.92
qSOFA	0.602 (0.566–0.638)	0.019	< 0.001	1.0	54.18	64.56	50.8	67.6	1.53	0.71
SOFA	0.587 (0.551–0.623)	0.022	< 0.001	7.0	45.48	74.04	54.2	66.8	1.75	0.74
CURB-65	0.614 (0.577–0.649)	0.021	< 0.001	2.0	58.53	62.30	51.2	69.0	1.55	0.67

Lac lactate, PCT procalcitonin, WBC white blood cell, CRP C-reactive protein, qSOFA quick sequential organ failure assessment, SOFA sequential organ failure assessment, CURB-65 confusion, urea, respiratory rate, blood pressure and age

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