Normal values of shear wave velocity in liver tissue of healthy children measured using the latest acoustic radiation force impulse technology

Table 2 Shear wave velocity measured by virtual touch imaging quantification in patients of different gender

Liver lobe/depth	Male		Female		P value
	Mean ± SD	95%CI	Mean ± SD	95%CI
Left/1.5 cm	2.56 ± 0.41	2.46-2.66	2.58 ± 0.47	2.47-2.68	0.788
Left/2.0 cm	2.15 ± 0.44	2.05-2.24	2.06 ± 0.37	2.00-2.13	0.144
Left/2.5 cm	1.77 ± 0.27	1.71-1.83	1.77 ± 0.30	1.71-1.82	0.901
Left/3.0 cm	1.64 ± 0.19	1.60-1.69	1.66 ± 0.25	1.61-1.72	0.565
Right/1.5 cm	2.51 ± 0.33	2.42-2.60	2.55 ± 0.44	2.45-2.65	0.591
Right/2.0 cm	2.10 ± 0.33	2.03-2.18	2.10 ± 0.37	2.04-2.17	0.982
Right/2.5 cm	1.75 ± 0.28	1.69-1.81	1.74 ± 0.29	1.69-1.79	0.752
Right/3.0 cm	1.66 ± 0.22	1.60-1.72	1.61 ± 0.25	1.55-1.67	0.284

VTIQ: Virtual touch imaging quantification; SD: Standard deviation; CI: Confidence interval.