Research Article

Point-of-Care Diagnostic Device for Traumatic Pneumothorax: Low Sensitivity of the Unblinded PneumoScan™

Table 4

Diagnostic accuracy of all investigated methods (all data in percent); PPV = positive predictive value; NPV = negative predictive value.

SensitivitySpecificityPPVNPV

Clinical examination54,592,854,592,880
Chest radiography27,310010089,680
Thoracic ultrasound2510010091,774
PneumoScan208013,386,775