Donovan SCI Pain Classification System Interpretability Table

Pain Type

Time of Onset Post Injury

Character

Duration

Aggravating factors

Diminishing factors

Possible causative factors

Segmental nerve
Cauda Equina

Days to weeks

Burning
Stabbing

Seconds

Rest

Activity

Slow fibre conduction from skin

Spinal Cord

Weeks to months

Tingling
Numbness

Constant

Activity

Rest

All fibre conduction within cord

Visceral

Weeks to months

Burning

Constant

Variable

Variable

Slow fibre conduction from viscera

Mechanical

Weeks to months

Dull
Aching

Variable

Activity

Rest

Slow fibre conduction from muscles or ligaments

Psychic

Variable

Variable

Variable

Variable

Variable

Preoccupation with unpleasant environmental stimuli