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Fig. 2 | BMC Family Practice

Fig. 2

From: Diagnostic accuracy of a pocket screening spirometer in diagnosing chronic obstructive pulmonary disease in general practice: a cross sectional validation study using tertiary care as a reference

Fig. 2

ROC curve for the diagnosis of COPD using COPD-6™ at the GP’s office. ROC curve plot (AUC 0.827, 95 % CI 0.769–0.875, P < 0.001) was based on FEV1/FEV6 measurements using COPD-6™ at the GP’s office using COPD diagnosis made by pulmonologist at tertiary care hospital as criterion variable; dotted lines represent 95 % confidence intervals

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BMC Primary Care

ISSN: 2731-4553

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