Association of white blood cell subfraction concentration with fitness and fatness

Reference:

Johannsen, N. M., Priest, E. L., Dixit, V. D., Earnest, C. P., Blair, S. N. and Church, T. S., 2008. Association of white blood cell subfraction concentration with fitness and fatness. British Journal of Sports Medicine, 44, pp. 588-593.

Related documents:

Official URL:

http://dx.doi.org/10.1136/bjsm.2008.050682

Related URLs:

• http://bjsm.bmj.com/cgi/content/abstract/bjsm.2008.050682v2 http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=18927160

Abstract

OBJECTIVE: To examine the association between fitness, BMI, and neutrophil, lymphocyte, monocyte, basophil, and eosinophil concentrations in apparently healthy, nonsmoking men. DESIGN: Cross-sectional study of 452 men from the Aerobics Center Longitudinal Study examining the resting concentration of white blood cell subfractions across fitness (maximal METS during a treadmill exercise test) and fatness (BMI) categories after adjusting for age. RESULTS: Fitness was inversely associated with all WBC subfraction concentrations. After further adjusting for BMI, only total WBC, neutrophil, and basophil concentrations remained significantly associated with fitness. BMI was directly associated with total WBC, neutrophil, lymphocyte, monocyte, and basophil concentrations and when fitness was added to the model, only monocytes lost significance. CONCLUSION: Fitness (inversely) and fatness (directly) are associated with WBC subfraction populations.

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