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|Title:||The association between circulating white blood cell count, triglyceride level and cardiovascular and all-cause mortality: Population-based cohort study|
|Authors:||Shankar, A. |
|Keywords:||Blue Mountains Eye Study|
|Citation:||Shankar, A., Mitchell, P., Rochtchina, E., Wang, J.J. (2007-05). The association between circulating white blood cell count, triglyceride level and cardiovascular and all-cause mortality: Population-based cohort study. Atherosclerosis 192 (1) : 177-183. ScholarBank@NUS Repository. https://doi.org/10.1016/j.atherosclerosis.2006.04.029|
|Abstract:||Objectives: To examine the individual and combined relationship between elevated white blood cell count (WBC), triglyceride level and cardiovascular and all-cause mortality among older Australians. Design: Prospective population-based cohort study. Setting: Community in Blue Mountains region, Australia. Participants: 2904 individuals, aged 49-84 years, free of cardiovascular disease and cancer at the baseline examination. Main outcome measures: Cardiovascular (n = 242) and all-cause mortality (n = 575). Results: Elevated WBC count and triglyceride level were found to be associated with cardiovascular and all-cause mortality, independent of several important confounders. Multivariable relative risk [RR] (95% confidence interval [CI]) comparing fourth (6.8 × 109 cells/L and above) versus first quartile (4.8 × 109 cells/L and below) of WBC count was 2.01 (1.40-2.90) for cardiovascular mortality and 1.68 (1.35-2.09) for all-cause mortality. Multivariable RR (95% CI) comparing fourth (1.98 mmol/L and above) versus first quartile (0.95 mmol/L and below) of triglyceride level was 1.58 (1.08-2.30) for cardiovascular mortality and 1.40 (1.11-1.77) for all-cause mortality. Furthermore, a combined exposure to the fourth quartiles of both WBC count and triglyceride level was found to be related to more than three-fold risk of cardiovascular mortality (RR [95% CI]: 3.15 [2.17-4.57], p-interaction = 0.01), independent of traditional risk factors. Conclusions: Elevated WBC count and triglyceride level were associated with cardiovascular and all-cause mortality among older Australians. These data provide new epidemiological evidence regarding cardiovascular risk stratification using simple, inexpensive, and routinely available measures, suggesting that a combined exposure to both high WBC count and triglyceride level is related to more than three-fold risk of cardiovascular mortality, independent of traditional risk factors. © 2006 Elsevier Ireland Ltd. All rights reserved.|
|Appears in Collections:||Staff Publications|
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