Biomedical Science Letters

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Table. 4.

Baseline characteristics

Value Total (n=216)
Age
20~29 61 (28.2)
30~39 98 (45.4)
40~49 53 (24.5)
50~59 4 (1.9)
Female 168 (77.8)
Position
Seoul 73 (33.8)
Gyeonggi-do 57 (26.4)
Gyeongsang-do 47 (21.8)
Chungcheong-do 20 (9.3)
Jeolla-do 17 (7.9)
Gandwond-do 1 (0.5)
Jeju Island 1 (0.5)
Type of hospital
Primary hospital 21 (9.7)
Second hospital 95 (44.0)
Tertiary hospital 96 (44.4)
Examination center 4 (1.9)
Type of ultrasound
Echocardiography 88 (40.7)
Transcranial Doppler 91 (42.1)
Carotid ultrasound 75 (34.7)
Type of work
Only ultrasound 50 (23.1)
Not only ultrasound 166 (76.9)

Values are n (%) or mean ± standard deviation

Biomed Sci Letters 2019;25:381-9 https://doi.org/10.15616/BSL.2019.25.4.381
© 2019 Biomed Sci Letters