Correlation between miRNA expression levels and cardinal symptoms in FM patients.

N (number of samples analyzed); rs (Spearman rho coefficient); total FIQ: Fibromialgia Inventory Questionnaire (scale 0–100) covering three domains: function, overall impact, and symptoms [26,27]. GF: General Fatigue; PF: Physical and MF: Mental Fatigue, RA: reduced activity and RM: reduced motivation, are subscales of the MFI (Multidimensional Fatigue Inventory) (scale 0–20) [28]Correlation between miRNA expression levels and cardinal symptoms in FM patients.