. Author manuscript; available in PMC: 2013 May 15.

Published in final edited form as: J Ultrasound Med. 2011 Dec;30(12):1657–1667. doi: 10.7863/jum.2011.30.12.1657

Table 2.

Descriptive Characteristics of Symptomatic Patients and Asymptomatic Control Participants

Variable	Symptomatic Patients (n = 47)	Asymptomatic Controls (n = 44)	Test Statistic	df	P
Age, y	45.6 (10.6)	40.0 (12.1)	t = 2.355	89	.021
Female/male	37/10	30/14	χ² = 1.301	1	.254
Right/left hand dominance	44/3	37/7	χ² = 2.108	1	.146
Height, cm	166.0 (8.3)	168.8 (8.5)	t = −1.578	89	.118
Mass, kg	88.0 (21.2)	78.0 (19.7)	t = 2.339	89	.022
Body mass index, kg/m²	32.0 (7.4)	27.4 (7.0)	t = 2.980	89	.004
Total wrists	83	83	NA	NA	NA
Dominant wrists	44	42	χ² = 0.602	1	.438
Wrist ratio	0.732 (0.041)	0.710 (0.041)	t = 3.535	164	.001

Values in parentheses are SD. NA indicates not applicable.