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Rev Clin Esp. 2003 Nov;203(11):526-31.

[Microalbuminuria and clinical proteinuria as the main predictive factors of cardiovascular morbidity and mortality in patients with type 2 diabetes].

[Article in Spanish]

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Secciones de Medicina Interna. Hospital Comarcal de AlcaƱiz. Teruel. Spain.



[corrected] The principal objective was that of evaluating the independent contribution of microalbuminuria and clinical proteinuria to the cardiovascular morbidity and mortality in patients with type 2 diabetes.


A prospective cohort study with selection of patients with type 2 diabetes evaluated in hospital outpatient consultations. Through the Cox proportional risks model the predictive importance of the presence of microalbuminuria and clinical proteinuria on the appearance of fatal and non-fatal cardiovascular complications (angina, fatal and non-fatal myocardial infarction, sudden death, transitory ischemic attack, fatal and non-fatal stroke, or amputation of lower limbs) was analyzed.


The monitoring of 463 patients was done during an average period of 4.64 years (SD: 1.56). There were 330 patients (71.3%) with normoalbuminuria, 106 (22.9%) with microalbuminuria and 27 (5.8%) with proteinuria. The global cardiovascular morbidity and mortality rate was 3.7% annual (2.46% annual for the patients with normoalbuminuria, 5.6% for the patients with microalbuminuria and 14.42% for the patients with proteinuria; p < 0.0001). After multiple adjustment, both microalbuminuria (RR: 1.91; 95% CI: 1.05-3.48; p = 0.032) and proteinuria (RR: 4.15; 95% CI: 1.77-9.75; p = 0.0011) were the main independent predictive factores of appearance of cardiovascular complications. Other predictive variables were age (RR: 1.06; 95% CI: 1.02-1.10; p = 0.0014), HDL cholesterol (RR = 0.96; 95% CI: 0.93-0.98; p = 0.001), LDL cholesterol (RR: 1.01; 95% CI: 1.002-1.02; p = 0.016) and initial presence of ischemic cardiopathy (RR: 1.97; 95% CI: 1.03-3.76; p = 0.041).


The increase in the rate of excretion of urinary albumin is the main independent predictive factor of cardiovascular morbidity and mortality in patiens with type 2 diabetes.

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