Predictive Value of Red Blood Cell Distribution Width in Chronic Obstructive Pulmonary Disease Patients with Pulmonary Embolism

Table 5

Comparison of the discriminative ability of some parameters to predict PE.

Parameters	RDW-CV	RDW-SD	D-Dimer	RDW-SD+D-Dimer
Cutoff	13.350	44.550	1.375	0.266
AUC	0.731	0.737	0.895	0.897
95% CI	0.636-0.827	0.635-0.839	0.828-0.962	0.829-0.966
Sensitivity (%)	75.0	80.0	85.0	87.5
Specificity (%)	62.4	64.7	88.2	83.5

Abbreviations: AUC: area under the curve; CI: confidence interval; RDW-SD: red blood cell distribution width standard deviation; RDW-CV: red blood cell distribution width coefficient of variation.