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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