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Table 1 Characteristics of the exposed subjects

From: Nailfold capillary microscopy for evaluating hand-arm vibration syndrome

Ā 

VWF (nā€‰=ā€‰18)

Non-VWF (nā€‰=ā€‰44)

pvalue

Age (years) *

57.1ā€‰Ā±ā€‰4.9

44.5ā€‰Ā±ā€‰11.0

0.001

Vibration exposure (years)

25.6ā€‰Ā±ā€‰6.7

-

Ā 

Smoking ā€  (%)

Ā Ā Ā 

Non-smoker

33.3

29.5

0.751

Ex-smoker

22.2

31.8

Ā 

Current smoker

44.4

38.6

Ā 

Alcohol consumption (%)

Ā Ā Ā 

Non-drinker

42.9

-

Ā 

Drinker

57.1

-

Ā 

Past medical history ā€  (%)

Ā Ā Ā 

No past disease

72.2

93.8

0.098

Hypertension

11.1

6.3

Ā 

Finger injury

5.6

-

Ā 

Other diseases

11.1

-

Ā 

Source of vibration (%)

Ā Ā Ā 

Grinder

61.1

-

Ā 

Rock drill

38.9

-

Ā 

Antivibration gloves (%)

Ā Ā Ā 

Nothing

11.1

-

Ā 

Only cotton gloves

66.7

-

Ā 

Always

22.2

-

Ā 

Tasks (%)

Ā Ā Ā 

Painting

27.8

-

Ā 

Fitting

22.2

-

Ā 

Welding

11.1

-

Ā 

Mining

33.3

-

Ā 

Digging

5.6

-

Ā 

Mode of transportation to work (%)

Ā Ā Ā 

Walking

6.7

-

Ā 

Motorcycle

46.7

-

Ā 

Bus

46.7

-

Ā 
  1. Meanā€‰Ā±ā€‰SD.
  2. *t test.
  3. ā€ Chi-square test.
  4. Abbreviations: VWF vibration-induced white finger, Non-VWF non- vibration-induced white finger.