Acoustic Radiation Force Impulse Elastography for Efficacy Evaluation after Hepatocellular Carcinoma Radiofrequency Ablation: A Comparative Study with Contrast-Enhanced Ultrasound

Table 2

The ARFI results comparison between the 14 residual tumors and 69 complete ablated sites.

	𝑛	VTI before RFA	VTI after RFA	Tumors site before RFA	Liver parenchyma tissue
		size (cm)	size (cm)	SWV (m/s)	SWV (m/s)
Completely ablated tumors	69	2.93±0.56^§	4.19±0.63^§	2.45±0.54^§	2.01±0.55^∗
Lesions with residual tumor	14	3.03±0.53^§	3.91±0.46^§	2.31±0.57^§	2.65±0.45^∗

§Indicates no significant difference between the two groups (𝑃>0.05).
*Indicates significant difference between the two groups (𝑃<0.05).