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Table 1 Frequency distribution of demographic data for patients with patients with carpal tunnel syndrome (CTS) and healthy volunteers

From: Influence of temperature on sonographic images of the median nerve for the diagnosis of carpal tunnel syndrome: a case control study

Characteristics

CTS patients

(n = 50)

N (%)

Healthy volunteers

(n = 50)

N (%)

p valuea

Age, mean ± SD, yrs

50.9 ± 10.0

47.8 ± 9.6

0.15

Personal characteristics

Female

44 (88.0)

44 (88.0)

1.00

Married

38 (76.0)

34 (70.8)

0.56

Employed

25 (52.1)

37 (74.0)

0.03

Smoking habit

2 (4.0)

1 (2.0)

1.00

Right-hand dominant

46 (97.9)

48 (98.0)

1.00

Unilateral hand involved

16 (32.0)

 

Bilateral hands involved

34 (68.0)

 

Educational level

College/University

30 (60.0)

43 (86.0)

0.0033

Senior high

14 (28.0)

2 (4.0)

 

Junior high or below

6 (12.0)

5 (10.0)

 
  1. ap value, comparison between CTS patients and healthy volunteers by Student t or chi-square test