Comparison of point and two-dimensional shear wave elastography of the spleen in healthy subjects

Table 2 Location and dispersion measures of shear wave velocity at the spleen measured with the Toshiba Aplio 500 version 5.0 and version 6.0, Siemens S3000, GE Logiq E9, and Philips Epiq 7 devices, n (%)

	Study arm A (n = 200)			Study arm B (n = 131)
	Upper pole	Middle pole	Lower pole	Upper pole	Middle pole	Lower pole
Toshiba Aplio 500, mean ± SD	3.35 ± 0.92	2.90 ± 0.45	3.38 ± 0.65	2.34 ± 0.29	2.48 ± 0.26	2.48 ± 0.28
Median (Min-Max)	3.12 (2.20-6.94)	2.84 (1.94-4.86)	3.36 (1.50-5.92)	2.36 (1.42-3.36)	2.48 (1.82-3.02)	2.45 (1.84-3.25)
Siemens S3000, mean ± SD	2.05 ± 0.54	2.53 ± 0.44	2.53 ± 0.58	2.39 ± 0.33	2.63 ± 0.28	2.49 ± 0.34
Median (Min-Max)	2.04 (0.73-3.77)	2.49 (1.27-3.73)	2.47 (1.39-4.59)	2.39 (1.52-3.86)	2.62 (1.97-3.36)	2.50 (1.53-3.58)
GE Logiq E9, mean ± SD	2.20 ± 0.51	1.86 ± 0.44	1.53 ± 0.44	-	-	-
Median (Min-Max)	2.23 (1.10-6.26)	1.88 (0.71-3.02)	1.48 (0.77-2.84)
Philips Epiq 7, mean ± SD	1.88 ± 0.40	1.89 ± 0.38	2.30 ± 0.87	-	-	-
Median (Min-Max)	1.90 (0.88-3.10)	1.91 (0.93-3.12)	2.17 (0.99-10.62)