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Table 1 Demographic and clinical variables according to the disease status of CTS

From: Combination of high-frequency ultrasound and virtual touch tissue imaging and quantification improve the diagnostic efficiency for mild carpal tunnel syndrome

Characteristic CTS
(n = 133)
Volunteer
(n = 35)
(n = 1540)
P
Age [year, mean (SD)] 51.79 (12.94) 52.60 (11.72) 0.937
Gender (%)
 Male 32 (24.1) 10 (28.6) 0.661
 Female 101 (75.9) 25 (71.4)  
Location (%)    0.851
 Left hand 71 (53.4) 18 (51.4)  
 Right hand 62 (46.6) 17 (48.6)  
CSAa [mm2, mean (SD)] 10.79 (2.88) 8.06 (1.39) < 0.001
SWVb mean [m/s, mean (SD)] 4.36 (0.95) 3.38 (1.09) < 0.001
  1. across-sectional area
  2. bshear wave velocity