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- Title
Association of serum uric acid levels with suicide risk in female patients with major depressive disorder: a comparative cross-sectional study.
- Authors
Chen, Jing-Xu; Feng, Jun-Hui; Zhang, Li-Gang; Liu, Yan; Yang, Fu-De; Wang, Shao-Li; Tan, Yun-Long; Su, Yun-Ai
- Abstract
Background: Individuals with major depressive disorder (MDD) have a high suicide risk. Some evidence suggests that uric acid (UA) may be involved in the pathophysiology of MDD. The purpose of this study was to evaluate whether serum UA levels were associated with suicide risk in MDD patients. Methods: One hundred four female patients with MDD (52 patients with suicide risk and 52 patients without suicide risk) and 52 healthy individuals were included in this study. The suicide risk was evaluated by Mini International Neuropsychiatric Interview (M.I.N.I.). Fasting serum levels of UA, as well as glucose, lipid and renal function indicators were measured. Results: Serum UA levels in MDD patients with suicide risk (245.01 ± 55.44 μmol/L) were significantly lower than those in MDD patients without suicide risk (274.17 ± 72.65 μmol/L) (p = 0.017) and healthy controls (271.42 ± 55.25 μmol/L) (p = 0.030). There was no difference in serum UA levels between the MDD patients without suicide risk and healthy controls (p = 0.821). Binary logistic regression analysis revealed a significant relationship between suicide risk and decreased serum UA levels (OR = 0.989, p = 0.010) in MDD patients. Conclusion: Decreased serum UA levels were associated with suicide risk in MDD patients. Purinergic system dysfunction may be involved in the neurobiological basis of suicide risk in these patients.
- Subjects
MENTAL depression; URIC acid; SUICIDE; WOMEN patients; LOGISTIC regression analysis
- Publication
BMC Psychiatry, 2020, Vol 20, Issue 1, pN.PAG
- ISSN
1471-244X
- Publication type
Article
- DOI
10.1186/s12888-020-02891-8