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Effect of Increased Neutrophil-to-Lymphocyte Ratio (NLR) and Decreased Mean Platelet Volume (MPV) Values on
Hasan Mayda1, Ahmet Ahsen2, Erman Bağcioğlu1
1Department of Psychiatry, Afyon Kocatepe University School of Medicine, Afyonkarahisar, Turkey.
Introduction:
The neutrophil-to-lymphocyte ratio (NLR) and mean platelet volume (MPV) are simple, low-cost, and useful inflammatory markers detected in routine complete blood count (CBC), and their use has recently become widespread. In this study, we aimed to investigate the presence of an inflammatory state in manic patients on the basis of NLR and MPV values.
Methods:
This retrospective study was performed on 76 patients with acute mania who were admitted to the Inpatients Psychiatry Clinic of Afyon Kocatepe University Hospital in Turkey. Diagnoses were based on Diagnostic and Statistical Manuel of Mental disorder (DSM-IV). The control group consisted of 74 healthy individuals recruited from the community. They were age- and sex-matched with the study group.
Results:
NLR values of the manic patient group were 2.2±1.4 and those of the control group were 1.6±0.5. NLR values were significantly higher (p=0.004) and MPV values were significantly lower in the manic patient group than in the control group (10.0±1.2 vs. 10.9±2.3, p=0.027).
Conclusion:
Increased NLR and decreased MPV levels may reflect inflammation in manic patients, and inflammation may play a role in the complex pathophysiology of acute mania.