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

Table 1 Characteristics of subjects included in study arms A and B and their overlap, n (%)

	Study arm A (n = 200)		Study arm B (n = 113)		Overlap C (n = 44)
	Frequency	mean ± SD	Frequency	mean ± SD	Frequency	mean ± SD
Gender
Male	78 (39.00)		38 (30.6)		10 (22.73)
Female	122 (61.00)		75 (66.4)		34 (77.27)
Age		27.93 ± 8.13		25.95 ± 6.26		27.11 ± 5.64
< 30 yr	154 (77.00)		98 (86.7)		34 (77.27)
≥ 30 yr	46 (23.00)		15 (13.3)		10 (22.73)
BMI		22.56 ± 2.57		21.64 ± 2.24		21.60 ± 2.67
BMI < 25	166 (83.0)		103 (91.2)		38 (86.36)
BMI ≥25	34 (17.00)		10 (8.9)		6 (13.64)
Alcohol consumption		8.17 ± 9.70		6.73 ± 8.35		6.22 ± 7.95
None	18 (9.00)		9 (8.0)		9 (20.45)
Less 1/mo	28 (14.00)		17 (15.0)		3 (6.82)
Several times per month	106 (53.00)		71 (62.8)		28 (63.64)
Several times per week	48 (24.00)		16 (14.2)		4 (9.09)
Fasting time		3.74 ± 1.84		4.47 ± 2.80		4.11 ± 1.65
Spleen length (mm)		105.44 ± 14.80		105.53 ± 14.16		101.66 ± 13.78
Median (min-max)		105.50 (61-144)		106.00 (65-144)		100.50 (75-137)
Spleen depth (mm)		35.38 ± 6.19		35.28 ± 6.38		34.25 ± 5.59
Median (min-max)		35.50 (21-56)		35.00 (21-56)		34.00 (24-48)

BMI: Body mass index.