Introduction:

In the Canary Islands there is a high prevalence of vascular risk factors.

Objective:

To analyze the clinical characteristics of 300 patients with type 2 diabetes in El Hierro, in the Canary Islands.

Methods:

Patients were assessed at the Internal Medicine Unit of the hospital from 1982 to 2010, and followed up until December 2014 or until death. The sample is composed of 154 women and 156 men (52%).

Results:

mean age was 66.40 ± 11.60 years, with an average follow-up time of 11.04 ± 4.93 years, and 80.3% were diagnosed of metabolic syndrome, significantly more frequent among women (86.43% vs 74.67%, χ2 = 5.62, p = 0.018). During the follow-up period, 51 patients died and a significant proportion developed new cardiovascular complications, such as heart failure (6.7%), ischemic heart disease (17.3%), atrial fibrillation (14.3%), stroke 7%), or peripheral arterial disease (6.9%). Cox regression analysis showed that, although advanced age was the major factor involved in the development of all these complications and in mortality, low cholesterol levels were related to the development of ischemic heart disease and mortality, results that were not dependent on the consumption of statins (as in other examples of inverse epidemiology). Ethanol consumption was related to the incidence of peripheral arterial disease.

Conclusions:

Old age was the main factor involved in the development of complications and mortality. In addition, low cholesterol levels were related to the development of ischemic heart disease and mortality.

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