Table 2.
Clinical characteristics of participants with CRPS.
| CRPS Patient No. | Age | Sex | CRPS duration (months) | Current pain (VAS) | Current pain (MPQ) | CRPS affected side | Inciting trauma |
|---|---|---|---|---|---|---|---|
| 1 | 43 | M | 21.1 | 9 | 32 | Right | Knee ligament injury |
| 2 | 28 | M | 4.6 | 9 | 40 | Left | Operation of toe |
| 3 | 26 | M | 74.5 | 8 | 41 | Right | Spontaneous |
| 4 | 30 | M | 48.6 | 8 | 34 | Right | Strain trauma |
| 5 | 35 | M | 20.2 | 6 | 27 | Left | Fracture of tibia |
| 6 | 47 | M | 8.9 | 8 | 37 | Right | Lumbar disc protrusion |
| 7 | 40 | F | 4.0 | 8 | 36 | Right | Contusion of elbow |
| 8 | 43 | M | 35.0 | 9 | 44 | Right | Fracture of ilium |
| 9 | 41 | F | 2.4 | 8 | 43 | Left | Lumbar disc protrusion |
| 10 | 44 | M | 25.5 | 10 | 37 | Right | Knee ligament injury |
| 11 | 43 | M | 72.4 | 4 | 34 | Left | Cervical disc protrusion |
| 12 | 21 | M | 1.8 | 8 | 24 | Right | Fracture of toe |
| 13 | 59 | F | 57.6 | 8 | 34 | Left | Contusion of foot |
| 14 | 29 | M | 11.6 | 8 | 34 | Left | Spontaneous |
| 15 | 45 | M | 21.2 | 4 | 15 | Right | Fracture of hand |
| 16 | 36 | M | 29.3 | 5 | 16 | Left | Fracture of tibia |
| 17 | 21 | M | 7.9 | 5 | 22 | Right | Fracture of toe |
| 18 | 59 | F | 63.2 | 7 | 23 | Left | Spontaneous |
| 19 | 30 | M | 1.9 | 7 | 23 | Right | Burn |
| 20 | 45 | F | 3.7 | 7 | 42 | Right | Fracture of toe |
| 21 | 26 | M | 62.2 | 5 | 16 | Right | Contusion of elbow |
Abbreviations: CRPS, chronic regional pain syndrome; VAS, visual analog scale; MPQ, the short-form of the McGill pain questionnaire.