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Table 1 Background data of the ten study participants

From: Arterial abnormalities in the hands of workers with vibration white fingers – a magnetic resonance angiography case series

 

N

%

Mean

Median

Range

Sex

 Male

10

100

   

 Female

0

0

   

Age groups

 All

10

100

48

49

21–65

  < 35

2

30

   

 36–50

3

30

   

  > 51

4

40

   

Tobacco habits

 Non-tobacco user

3

30

   

 Snuff user

4

40

   

 Smoker

0

0

   

 Former tobacco user

3

30

   

Years in vibration exposure

 All

10

100

22

20

2–43

  < 10

1

10

   

 10–19

3

30

   

 20–29

3

30

   

  > 30

3

30

   

Average yearly exposure

 Low < 2.5

3

30

   

 Medium 2.5–4

4

40

   

 High > 4

2

20

   

SWS Vascular

 All

10

    

 0

0

    

 1

3

    

 2

5

    

 3

2

    

SWS neurological

 All

10

    

 0

3

    

 1

6

    

 2

1

    
  1. Years in vibration exposure: in years, Average yearly exposure: Low (< 2.5 (m/s2) *year); Medium (2,5–4 (m/s2) *year) and High(> 4 (m/s2)*year). SWS Stockholm workshop scale
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Journal of Occupational Medicine and Toxicology

ISSN: 1745-6673