Table 6.

Correlations between the use of certain classes of medication and clinical symptoms and the IENFD in the lower leg.

Medication	Questionnaire (CC; p value)
No medication	STAI (0.18; 0.02)
Weak opioid	GCPS disability due to pain (−0.16; 0.03)
Strong opioid	O' Leary (0.23; 0.005)
NSAID	NPSI (0.17; 0.02)	GCPS grade (0.19; 0.01)	ADS (0.2; 0.01)
SNRI	Pain Catastrophizing Scale (0.18; 0.02)	FIQ (0.016; 0.04)	O′ Leary (−0.2; 0.01)	IENFD lower leg (−0.25; 0.001)
Muscle relaxant	GCPS disability due to pain (−0.15; 0.04)	ADS (−0.1; 0.04)
Guaifenesin	IENFD lower leg (−0.2; 0.01)
Flupirtine	Paresthesia (0.2; 0.01)