Table 1 Groups investigated
Acute CRPS I (AC) | Chronic CRPS I (CC) | Neuralgia (NE) | Fracture (FR) | Healthy controls (C) |
|---|---|---|---|---|
clinical criteria of IASP | clinical criteria of IASP | injury of peripheral nerves with persisting pain | hand-/distal forearm fractures | |
acute stage; < 6 months | > 6 and < 12 months | 5-6 weeks after injury |