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Table 1 Frequency distributions (percentages) of demographic characteristics in patients with CTS who completed the study

From: Comparative effectiveness of ultrasound and paraffin therapy in patients with carpal tunnel syndrome: a randomized trial

Characteristics Treatment group
Paraffin therapy US therapy
n = 23, n (%) n = 24, n (%)
Personal characteristics   
  Age, mean±SD, yrs 51.9±8.8 48.8±11.2
  Body mass index, mean±SD 25.7±4.5 25.0±3.7
  Male 3 (13.0) 2 (8.3)
  Married 17 (77.3) 17 (70.8)
  Employed 10 (40.5) 14 (58.3)
  Smoking habit 0 (0.0) 1 (4.2)
  Right-hand dominant 21 (95.5) 23 (100.0)
  Bilateral hands involved 20 (87.0) 17 (70.8)
Educational level   
  College/University 7 (30.4) 9 (37.5)
  Senior High 8 (34.8) 11 (45.8)
  Junior High or below 8 (34.8) 4 (16.7)
Household monthly income (US$)   
  <1200 8 (34.8) 3 (12.5)
  1200-3500 10 (43.5) 16 (66.7)
  >3500 5 (21.7) 5 (20.8)