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

Table 5

Medications being used at the time of visit at the outpatient clinic center.

Medication	No CRPS ()	CRPS ()	Significance
Paracetamol (n, %)	10 (34.5)	9 (39.1)	NS
NSAIDs^1 (, %)	10 (34.5)	5 (21.7)	NS
Opioids (, %)	5 (17.2)	8 (34.8)	NS
Antidepressants (, %)	3 (10.3)	6 (26.1)	NS
Antiepileptics (, %)	3 (10.3)	6 (26.1)	NS
Calcium channel blockers (, %)	1 (3.4)	2 (8.7)	NS
Phosphodiesterase-5 inhibitor (, %)	0	0	N/A
Vitamin C (, %)	6 (20.7)	3 (13.0)	NS
Fluimucil or N-acetyl cysteine (, %)	0	1 (4.3)	N/A
DMSO^2 (, %)	2 (6.9)	0	N/A

¹NSAIDs: nonsteroidal anti-inflammatory drugs. ²DMSO: dimethylsulfoxide cream.