Total and differential white blood cell counts, high-sensitivity C-reactive protein, and the metabolic syndrome in non-affective psychoses

Brian J. Miller, Andrew Mellor, Peter Buckley

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

The metabolic syndrome is highly prevalent in patients with schizophrenia, and is associated with a state of chronic, low-grade inflammation. Schizophrenia is also associated with increased inflammation, including aberrant blood levels of pro-inflammatory cytokines and high-sensitivity C-reactive protein (hsCRP). The purpose of this study is to investigate the relationship between total and differential white blood cell (WBC) counts, hsCRP, and the metabolic syndrome in patients with schizophrenia and related non-affective psychoses. Fifty-nine inpatients and outpatients age 18-70 with non-affective psychotic disorders and 22 controls participated in this cross-sectional study. Subjects had a fasting blood draw between 8 and 9. am for glucose, lipids, total and differential WBC counts, and hsCRP. Vital signs and anthropometric measures were obtained. Patients with non-affective psychosis and the metabolic syndrome had significantly higher total WBC counts, monocytes, and hsCRP levels than patients without the metabolic syndrome (p≤. 0.04 for each). In binary logistic regression analyses, after controlling for potential confounding effects of age, race, sex, age at first hospitalization for psychosis, parental history of diabetes, smoking, and psychotropic medications, total WBC count, monocytes, and hsCRP were significant predictors of metabolic syndrome in patients (p≤. 0.04 for each). hsCRP was also a significant predictor of increased waist circumference and triglycerides in patients (p≤. 0.05 for each). Our findings suggest that measurement of total and differential WBC counts and hsCRP blood levels may be germane to the clinical care of patients with schizophrenia and related disorders, and support an association between inflammation and metabolic disturbance in these patients.

Original languageEnglish (US)
Pages (from-to)82-89
Number of pages8
JournalBrain, Behavior, and Immunity
Volume31
DOIs
StatePublished - Jul 2013

Keywords

  • C-reactive protein
  • Inflammation
  • Lymphocytes
  • Metabolic syndrome
  • Monocytes
  • Non-affective psychosis
  • Schizophrenia
  • WBC

ASJC Scopus subject areas

  • Immunology
  • Endocrine and Autonomic Systems
  • Behavioral Neuroscience

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