Comparison of the Value of Conventional Ultrasound and Contrast-Enhanced Ultrasound-Guided Puncture Biopsy in Different Sizes of Peripheral Pulmonary Lesions

Table 1

Basic information of the conventional ultrasound group and contrast-enhanced ultrasound group.

Group	Age	Maximum diameter	Location (lung)		Sexuality
			Upper middle lobe	Lower lobe	Male	Female
Conventional ultrasound group	68.7 ± 14.0	45.4 ± 22.4	38	17	35	20
Contrast-enhanced ultrasound group	67.8 ± 13.3	51.0 ± 26.5	42	13	38	17
c^2 value/t value	0.427	1.201	0.733	0.367
value	0.67	0.23	0.39	0.55
Group	Success rate of single puncture	Success rate of puncture	Pneumothorax rate
Conventional ultrasound group	72.7% (40/55)	80.0% (44/55)	16.4% (9/55)
Contrast-enhanced ultrasound group	90.9% (50/55)	94.6% (52/55)	10.9% (6/55)
X^2 value/t value	6.111	4.01	0.695
value	0.013	0.045	0.405