Diagnosis of Chronic Obstructive Pulmonary Disease and Regulatory Mechanism of miR-149-3p on Alveolar Inflammatory Factors and Expression of Surfactant Proteins A (SP-A) and D (SP-D) on Lung Surface Mediated by Wnt Pathway

Table 4

Specificity and sensitivity assessment.

Item	AUC	SE	95% CI	Cut-off	Se (%)	Sp (%)
GLS	0.726	0.065	0.619, 0.875	−19.465	57	80	0.001
RV DLSR	0.747	0.065	0.605, 0.859	1.435	60	90	0.002
DLSR	0.732	0.064	0.623, 0.875	1.705	70	67	0.001
LD	0.707	0.066	0.578, 0.837	7.110	70	60	0.006

Note: CI: 95% confidence interval; Se: sensitivity; Sp: specificity.