causalgia: Complex regional pain syndrome type 2 (CRPS2), or causalgia is a form of complex regional pain syndrome that develops after damage to a peripheral nerve and is characterized by spontaneous pain, allodynia and hyperalgesia , not necessarily limited to the territory of the injured nerve, as well as at some point, edema, changes in skin blood flow or sudomotor dysfunction in the pain area.

Summary Statistics

Key figures

All Female Male
Number of individuals 28785 17671 11114
Unadjusted prevalence (%) 13.27 14.38 11.80
Mean age at first event (years) 49.83 49.35 50.59
Case fatality at 5-years (%) 2.34 1.81 3.19

Longitudinal metrics

All Female Male
Median nb. of events per indiv. 1.0 1.0 1.0
Recurrence at 6 months (%) 27.09 29.25 23.66

Survival analyses between endpoints


before Dorsalgia
after Dorsalgia

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