Table 6.

Area Under the Curve (AUC), Cut-off Value, Sensitivity, Specificity for Predicting Death in AECOPD Patients by RHR, SOFA, SAPSII, RHR-SOFA, and RHR-SAPSII

Variables	AUC	95% CI	Cutoff	Sensitivity	Specificity
RHR	0.624	0.585–0.662	0.473	59.20%	62.12%
SOFA	0.640	0.601–0.677	5	53.60%	66.13%
SAPSII	0.688	0.650–0.724	36	76.60%	54.11%
RHR-SOFA	0.670	0.632–0.707	-	64.00%	63.93%
RHR-SAPSII	0.701	0.663–0.737	-	77.60%	55.31%