The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 3 Comparison between participants with normal and abnormal median nerve CSA

From: Assessment of carpal tunnel syndrome via ultrasonography among hospital workers: a screening study

		Normal (No. = 215)		Abnormal (No. = 59)		T test/Chi*
		Mean/Number	SD/percent	Mean/Number	SD/percent	t/chi*	p
Age		39.25	11.378	45.17	9.403	− 4.083	< 0.001**
Gender	Male	56	26	14	23.7	0.131*	0.718
Gender	Female	159	74	45	76.3	0.131*	0.718
Occupation	Medical	123	57.2	29	49.2	1.217*	0.270
Occupation	Non-medical	92	42.8	30	50.8	1.217*	0.270
Median nerve CSA by US (mm²)		8.09	1.373	12.69	2.299	14.690	< 0.001**
BCTQ		19.07	0.506	22.71	6.600	4.230	< 0.001**

CSA cross sectional area, US ultrasound, BCTQ Boston carpal tunnel questionnaire
*Chi test
**p value is significant if < 0.05

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