The Cardiothoracic Surgeon

Table 3 Results of chest US in comparison to the CT chest of the chest in detect traumatic pneumothorax

From: Comparative study between bedside chest ultrasound and chest CT scan in the diagnosis of traumatic pneumothorax

		CT hemithorax		Sensitivity	Specificity	PPV	NPV	Accuracy
		Free	Positive	Sensitivity	Specificity	PPV	NPV	Accuracy
US	*(Total n = 400)*	*(n = 353)*	*(n = 47)*
	*Free*	353	2	95.74	100.0	100.0	99.44	99.50
	*Positive*	0	45	95.74	100.0	100.0	99.44	99.50

PPV positive predictive value, NPV negative predictive value

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