• Marwan Salih Mohammud Al-Nimer and Talar Ahmad Merza Mohammad.
• Dr. Marwan Salih Mohammud Al-Nimer, MD, PhD. Department of Pharmacology and Toxicology, Clinical Pharmacy, Hawler Medical University, Erbil, Iraq.
• Pak J Med Sci. 2018 Sep 1; 34 (5): 1219-1224.

ObjectivesTo determine the hematological indices and ratios derived from them in patients with fibromyalgia and to correlate the scores of Fibromyalgia Impact Questionnaire Revised (FIQR) with the ratios.MethodsThis case control study was performed in the College of Pharmacy at Hawler Medical University in Erbil-Iraq, from November 2016 to June 2017, and it included 40 healthy subjects (Group I) and 150 newly diagnosed FM (Group II). The American College of Rheumatology -10 (ACR-10) diagnostic criteria were used in the diagnosis of FM. The scores of the Revised Fibromyalgia Questionnaire Impact (FIQR), and tender points were calculated, and the hematological indices and ratios were determined.ResultsGroup II showed significantly higher mean values of hematological indices and the ratios of neutrophil to lymphocyte (NLR), derived neutrophil to lymphocyte (dNLR) and platelet to lymphocyte (PLR). Group II patients have a significant higher score of FIQR. A significant correlation between the total score of FIQR with the hematological ratios (F=4.143, R=0.355, R2=0.126, p=0.002) with a variability of 12.6%.ConclusionWe conclude that the hematological indices are significantly altered and they are significantly correlated with the total score of fibromyalgia impact questionnaire revised.

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