Source
Department of Epidemiology and Public Health, University College London, London, UK. m.hamer@ucl.ac.uk
Abstract
OBJECTIVES:
The aim was to compare risk factors for stroke and ischemic heart disease (IHD) in a large general population cohort.
METHODS:
A prospective cohort of 82,380 participants (aged 55.4 [SD 14.2 yrs], 44.8% men) without known history of cardiovascular diseases (CVD) at baseline was pooled from ten years (1994-2004) of the Health Survey for England. Study members were followed, on average, over 8 years for cause-specific mortality using linkage to national registers.
RESULTS:
There were 806 and 1346 stroke and IHD deaths, respectively. The major risk factors for stroke included age (hazard ratio [HR] = 1.15, 95% CI, 1.13-1.17), smoking (HR = 1.71; 1.20-2.44), diabetes (HR = 1.75; 1.05-2.93), total cholesterol (HR per SD = 0.78; 0.69-0.89), and systolic BP (HR per SD = 1.22; 1.08-1.38). In addition to these risk factors, IHD was also predicted by high density lipoprotein cholesterol, body mass index, C-reactive protein, and fibrinogen. This pattern of results was consistent among younger (<70 yrs) and older adults.
CONCLUSION:
In a large representative cohort of the general population we found a differential pattern of risk markers for stroke compared with IHD. This was not explained by differences in age at onset of disease.
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