The Role of Contrast-Enhanced Ultrasound in Selection Indication and Improveing Diagnosis for Transthoracic Biopsy in Peripheral Pulmonary and Mediastinal Lesions

Table 6

Complication rate and puncture attempts in CEUS group and US group.

Group	Complication, % ()	Puncture attempts
CEUS	2.4%; (2/82)	2.5 ± 0.7
US	3.3%; (2/60)	2.6 ± 0.6
value	1.000	0.462

Values are mean ± SD where applicable. CEUS, contrast enhanced ultrasound; US, ultrasound.