The Trend of Risk for Cardiovascular Diseases During the Past Decade in Iran, Applying No-Lab and Lab-Based Prediction Models
As a surrogate for all relevant risk factors, it is preferable to show trends in the mean cardiovascular disease(CVD) risk rather than to examine each risk factor trend separately.
We used data from five rounds of the WHO STEPwise approach to surveillance surveys (2007–2016). In all, 62,076 (31,660 women) participants aged 40–65 years were included and their absolute CVD risk were calculated. The generalized linear model was performed to assess the trend of CVD risk in men and women, and also in diabetic and non-diabetic individuals.
Results:
We showed significant declining trends in the mean CVD risk in the laboratory (from 10.5% to 8.8%) and non-laboratory (10.1% to 9.4%) models in men. In women, a significant reduction was observed in the laboratory-based model (from 8.4% to 7.8%). The laboratory model showed a greater decrease in men than women (P-for interaction < 0.001) and in diabetic patients (from 16.1% to 13.6%) than non-diabetic individuals (from 8.2% to 7%) (p-for interaction = 0.002). The proportion of high-risk individuals (risk ≥ 10%) decreased from 40% in 2007 to 31.5% in 2016 in men and from 29.8% to 26.1% in women based on the laboratory-model.
Conclusions:
During the last decade, CVD risk had a significant decrease in men and women. The reduction was more evident in men and diabetic population. However, still, one-third of our population is considered high-risk.
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