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Table 4 Quantitative Analysis of CSA of median nerve, wrist/forearm ratio and mean stiffness (elasticity) between CTS patients (n = 40, 56 wrists)

From: Diagnostic value of median nerve shear wave ultrasound elastography in diagnosis and differentiation of carpal tunnel syndrome severity

Variable CSA (mm2 ± SD) Wrist/forearm ratio (± SD) Mean stiffness (kPa ± SD)
Gender
Male (n = 16, 22 wrists) 12.6 ± 2.26 2.3 ± 0.43 109.78 ± 13.73
Female (n = 24, 34 wrists) 10.3 ± 2.52 2.1 ± 0.62 78.35 ± 19.58
P value 0.05 0.652 0.01
Age group
< 55 (n = 30; 38 wrists) 10.8 ± 2.54 2.1 ± 0.71 99.78 ± 23.27
≥ 55 (n = 10; 18 wrists) 11.3 ± 2.73 1.9 ± 0.52 111.61 ± 12.43
P value 0.053 0.468 0.283
BMI    
< 25 (n = 19; 26 wrists) 11.2 ± 3.63 2.0.2 ± 0.84 94.75 ± 29.12
≥ 25 (n = 21; 30 wrists) 11.6 ± 2.91 2.3 ± 0.53 103.98 ± 18.86
P value 0.414 0.637 0.591