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Introduction The aims of this study were to determine the crude age-and sex-adjusted prevalence rates of diabetes mellitus (DM), type 1 DM (DM1) and type 2 DM (DM2), and to compare the relationship with cardiovascular risk factors, cardiovascular diseases, chronic kidney disease and metabolic diseases among populations with and without DM. Methods SIMETAP-DM is a cross-sectional observational study conducted in a primary care setting, with a random population-based sample of 10,579 adults. Response rate: 66%. The diagnoses of DM, DM1 and DM2 were based on clinical and biochemical criteria and/or the checking of these diagnoses in medical records. The crude and age- and sex-adjusted prevalence rates (standardised with the Spanish population) were calculated. Results The crude prevalence rates of DM1, DM2 and DM were 0.87% (95% confidence interval [95% CI]: 0.67–1.13), 14.7% (95% CI: 13.9–15.6) and 15.6% (95% CI: 14.7–16.5), respectively. The age- and sex-adjusted prevalence rates of DM1, DM2 and DM were 1.0% (1.3% for men and 0.7% for women), 11.5% (13.6% for men and 9.7% for women) and 12.5% (14.9% for men and 10.5% for women), respectively. The prevalence of DM in the population ≥70 years was double (30.3% [95% CI: 28.0–32.7]) that of the population between 40 and 69 years old (15.3% [95% CI: 14.1–16.5%]). Hypertension, peripheral arterial disease, increased weight-to-height ratio, albuminuria, coronary heart disease, atherogenic dyslipidaemia and hypercholesterolaemia were associated with DM. Conclusions In a Spanish primary care setting, the age-adjusted prevalences of DM1, DM2 and DM in the adult population were 1.0, 11.5 and 12.5%, respectively. A third of the population over 70 years old suffered from DM.

Resumen Introduccion Los objetivos del estudio fueron determinar las tasas de prevalencia brutas y ajustadas por edad y sexo de diabetes mellitus (DM), DM tipo 1 (DM1) y DM tipo 2 (DM2), y comparar la asociacion de factores de riesgo cardiovascular, enfermedades cardiovasculares, enfermedad renal cronica y enfermedades metabolicas entre las poblaciones con y sin DM. Metodos SIMETAP-DM es un estudio observacional transversal realizado en atencion primaria, con una muestra aleatoria de base poblacional de 10.579 adultos. Tasa de respuesta: 66%. Los diagnosticos de DM, DM1 y DM2 se basaron en criterios clinicos y bioquimicos y/o en la comprobacion de estos diagnosticos en las historias clinicas. Se determinaron las prevalencias brutas y ajustadas por edad y sexo (estandarizadas con la poblacion espanola). Resultados Las prevalencias brutas de DM1, DM2 y DM fueron del 0,87% (intervalo de confianza al 95% [IC 95%]: 0,67-1,13), el 14,7% (IC 95%: 13,9-15,6) y el 15,6% (IC 95%: 14,7-16,5), respectivamente. Las prevalencias ajustadas por edad y sexo de DM1, DM2 y DM fueron del 1,0% (1,3% para hombres y 0,7% para mujeres), el 11,5% (13,6% para hombres y 9,7% para mujeres) y el 12,5% (14,9% para hombres y 10,5% para mujeres), respectivamente. La prevalencia de DM en la poblacion ≥ 70 anos era el doble (30,3% [IC 95%: 28,0-32,7]) que en la poblacion entre 40 y 69 anos (15,3% [IC 95%: 14,1-16,5%]). La hipertension arterial, la enfermedad arterial periferica, el indice cintura-talla aumentado, la albuminuria, la enfermedad coronaria, la dislipidemia aterogenica y la hipercolesterolemia se asociaban con la DM. Conclusiones En el ambito de la atencion primaria espanola, las prevalencias ajustadas por edad de DM1, DM2 y DM en la poblacion adulta fueron del 1,0, el 11,5 y el 12,5%, respectivamente. Un tercio de la poblacion mayor de 70 anos padecia DM.

The aims of this study were to determine the age- and sex-adjusted prevalence rates of DM, type-1 DM (T1DM), and type-2 DM (T2DM), and to compare the relationship with cardiovascular risk factors, cardiovascular diseases, chronic kidney disease, and metabolic diseases between populations with and without DM.SIMETAP-DM is a cross-sectional observational study conducted in a Primary Care setting with a random population-based sample of 10,579 adults. Response rate: 66%. The diagnoses of DM, T1DM and T2DM were based on clinical and biochemical criteria and/or the checking of these diagnoses in the medical records. The crude and age- and sex-adjusted (standardised for Spanish population) prevalence rates were calculated.The crude prevalence rates of T1DM, T2DM, and DM were 0.87% (95% confidence interval [95% CI]: 0.67-1.13), 14.7% (95% CI: 13.9-15.6), and 15.6% (95% CI: 14.7-16.5), respectively. The age- and sex-adjusted prevalence rates of T1DM, T2DM, and DM were 1.0% (1.3% for men and 0.7% for women), 11.5% (13.6% for men and 9.7% for women), and 12.5% (14.9% for men and 10.5% for women), respectively. The prevalence of DM in the population≥70 years was double (30.3% [95% CI: 28.0-32.7]) that of the population between 40 and 69 years (15.3% [95% CI: 14.1-16.5]). Hypertension, peripheral arterial disease, increased waist-to-height ratio, albuminuria, coronary heart disease, atherogenic dyslipidaemia and hypercholesterolaemia were associated with DM.In a Spanish primary care setting, the age-adjusted prevalences of T1DM, T2DM and DM in the adult population were 1.0, 11.5, and 12.5%, respectively. One-third (33%) of the population over 70 years had DM.