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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
Female 159 74 45 76.3
Occupation Medical 123 57.2 29 49.2 1.217* 0.270
Non-medical 92 42.8 30 50.8
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**
  1. CSA cross sectional area, US ultrasound, BCTQ Boston carpal tunnel questionnaire
  2. *Chi test
  3. **p value is significant if < 0.05
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