Is the Deficit in Pain Inhibition in Fibromyalgia Influenced by Sleep Impairments?

Table 4: Correlation Analyses in FM Patients Between ICPM Efficacy and Clinical Variables

Clinical Variables	r	p-Value
Age	-0.094	0.518
FIQ total Score	-0.120	0.406
FIQ pain item	-0.004	0.980
HAM-D	-0.097	0.501
HAM-A	-0.050	0.730
PSQI Total Score	-0.382	0.006

FM indicates fibromyalgia; ICPM, inhibitory conditioned pain modulation; FIQ, Fibromyalgia Impact Questionnaire; HAM-D, Hamilton Depression Rating Scale; HAM-A, Hamilton Anxiety Rating Scale; PSQI, Pittsburgh Sleep Quality Index.