Serum Soluble Interleukin-2 Receptor Does Not Differentiate Complex Regional Pain Syndrome from Other Pain Conditions in a Tertiary Referral Setting

Table 2

Symptoms and signs assessed using the CRPS severity score-Database Form by Harden et al. [15].

Symptoms^1	Signs^2
Continuing, disproportionate pain	Hyperalgesia to single pinprick
Allodynia or hyperalgesia	Allodynia
Temperature asymmetry	Temperature asymmetry by palpation
Color asymmetry	Color asymmetry
Sweating asymmetry	Sweating asymmetry
Edema	Asymmetric edema
Dystrophic changes	Dystrophic changes
Motor abnormalities^3	Motor abnormalities^4

¹Symptoms as reported by the patient. All symptoms are categorical variables and are registered as absent or present. ²Signs as observed during physical examination by the physician. All signs are categorical variables and are registered as absent or present. ³Motor abnormalities as reported by the patient: weakness, tremor, dystonia, decreased range of motion, and myoclonus. ⁴Motor abnormalities as observed by the examiner: tremor/myoclonus, dystonia, decreased active range of motion, and weakness.