OBJECTIVE: To investigate the association between serum total cholesterol and all-cause mortality in elderly individuals aged > or = 75 years. Design. A prospective cohort study with a six-year follow-up. SETTING AND SUBJECTS: A random sample (n = 700) of all persons aged > or = 75 years living in Kuopio, Finland. After exclusion of participants living in institutional care and participants using lipid-modifying agents or missing data on blood pressure and cholesterol levels, the final study population consisted of 490 home-dwelling elderly persons with clinical examination. We used the Cox proportional hazard model and the propensity score (PS) method. Main outcome measure. All-cause mortality. Results. In an age- and sex-adjusted analysis, participants with S-TC > or = 6mmol/l had the lowest risk of death (hazard ratio, HR = 0.48, 95% CI 0.33-0.70) compared with those with S-TC < 5 mmol/l. HR of death for a 1 mmol increase in S-TC was 0.78. In multivariate analyses, the HR of death for a 1 mmol increase in S-TC was 0.82 and using S-TC < 5 mmol/l as a reference, the HR of death for S-TC > or = 6 mmol/l was 0.59 (95% CI 0.39-0.89) and for S-TC 5.0-5.9 mmol/l, the HR was 0.62 (95% CI 0.42-0.93). In a PS-adjusted model using S-TC < 5 mmol/l as a reference, the HR of death for S-TC > or = 6 mmol/l was 0.42 (95% CI 0.28-0.62) and for S-TC 5.0-5.9 mmol/l, the HR was 0.57 (95% CI 0.38-0.84). Conclusions. Participants with low serum total cholesterol seem to have a lower survival rate than participants with an elevated cholesterol level, irrespective of concomitant diseases or health status.
OBJECTIVE: To investigate the association between serum total cholesterol and all-cause mortality in elderly individuals aged > or = 75 years. Design. A prospective cohort study with a six-year follow-up. SETTING AND SUBJECTS: A random sample (n = 700) of all persons aged > or = 75 years living in Kuopio, Finland. After exclusion of participants living in institutional care and participants using lipid-modifying agents or missing data on blood pressure and cholesterol levels, the final study population consisted of 490 home-dwelling elderly persons with clinical examination. We used the Cox proportional hazard model and the propensity score (PS) method. Main outcome measure. All-cause mortality. Results. In an age- and sex-adjusted analysis, participants with S-TC > or = 6mmol/l had the lowest risk of death (hazard ratio, HR = 0.48, 95% CI 0.33-0.70) compared with those with S-TC < 5 mmol/l. HR of death for a 1 mmol increase in S-TC was 0.78. In multivariate analyses, the HR of death for a 1 mmol increase in S-TC was 0.82 and using S-TC < 5 mmol/l as a reference, the HR of death for S-TC > or = 6 mmol/l was 0.59 (95% CI 0.39-0.89) and for S-TC 5.0-5.9 mmol/l, the HR was 0.62 (95% CI 0.42-0.93). In a PS-adjusted model using S-TC < 5 mmol/l as a reference, the HR of death for S-TC > or = 6 mmol/l was 0.42 (95% CI 0.28-0.62) and for S-TC 5.0-5.9 mmol/l, the HR was 0.57 (95% CI 0.38-0.84). Conclusions. Participants with low serum total cholesterol seem to have a lower survival rate than participants with an elevated cholesterol level, irrespective of concomitant diseases or health status.
Authors: J Stamler; R Stamler; J D Neaton; D Wentworth; M L Daviglus; D Garside; A R Dyer; K Liu; P Greenland Journal: JAMA Date: 1999-12-01 Impact factor: 56.272
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Authors: Michelle C Odden; Michael G Shlipak; Heather E Whitson; Ronit Katz; Patricia M Kearney; Chris defilippi; Shani Shastri; Mark J Sarnak; David S Siscovick; Mary Cushman; Bruce M Psaty; Anne B Newman Journal: Atherosclerosis Date: 2014-09-30 Impact factor: 5.162
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