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

Table 6

Diagnostic accuracy of all used PneumoScan-devices (all data in percent); PPV = positive predictive value; NPV = negative predictive value.

Number	Readings	Sensitivity	Specificity	PPV	NPV	“No data”
1	22	20.0	80.0	25.0	75.0	2
2	10	-	80.0	-	100	-
3	48	20.0	80.0	11.0	89.0	3