[Retracted] Qualitative Diagnosis of Liver Tumors Based on Ultrasound-Guided Automatic Biopsy

Table 1

Under conventional ultrasound, the average value of the maximum diameter of the observation group was compared with that of the control group.

	Observation group (n = 45)	Control group (n = 56).	Z
Measurement under conventional ultrasound.	3.24 ± 2.17	2.36 ± 0.87	−0.714	0.476