Table 1.

Stockholm Workshop Scale; each hand should be graded separately: A) Classification of cold-induced Raynaud phenomenon in HAVS19; B) Sensorineural stages of HAVS.28

0NoneNo attacks
1MildOccasional attacks affecting the tips of ≥ 1 fingers
2ModerateOccasional attacks affecting distal and middle (rarely also proximal) phalanges of ≥ 1 fingers
3SevereFrequent attacks affecting all phalanges of most fingers
4Very severeAs in stage 3, with trophic changes in the fingertips
0SNExposed to vibration but no symptoms
1SNIntermittent numbness with or without tingling
2SNIntermittent or persistent numbness, reduced sensory perception
3SNIntermittent or persistent numbness, reduced tactile discrimination or manipulative dexterity
  • HAVS—hand-arm vibration syndrome, SN—sensorineural.