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Table 4 Musculoskeletal symptoms in neck-shoulder and hand-arms in vibration exposed and unexposed workers

From: A follow-up study of vibration-induced injuries in workers exposed to transient and high frequency vibrations

 

Exposed group

n = 24

Unexposed group

n = 11

Baseline

Follow-up

Baseline

Follow-up

Neck-shoulder

    

Prevalence of symptoms last 7 days (%)

71

58

45

27

Workers with at least 1 diagnosis (%)

33

13

9

9

Diagnosis (nb)*

    

Tension neck syndrome

5

1

1

 

Thoracic outlet syndrome

2

   

Acromioclavicular syndrome

1

1

 

1

Biceps tendinitis

4

1

  

Supraspinatus tendinitis

3

1

  

Infraspinatus tendinitis

3

   

Hand-arm

    

Prevalence of symptoms last 7 days (%)

63

54

73

36

Workers with at least 1 diagnosis (%)

17

17

27

18

Diagnosis (nb)*

    

Lateral epicondylitis

  

1

 

De Quervain’s tendinitis

 

1

  

Overused hand syndrome

 

1

1

 

Radial tunnel syndrome

2

   

Ulnar entrapment in elbow

1

2

1

1

Carpal tunnel syndrome

2

4

3

2

Ulnar entrapment in hand/wrist

2

1

2

1

  1. * One worker can have more than one diagnosis
  2. Table 4. Musculoskeletal symptoms and diagnoses in the neck-shoulder and hand-arm regions in the unexposed and exposed groups at baseline and at the 4-year follow-up. The numbers for the presented diagnoses represent the number of subjects in each cell