Assessment of Total Cardiovascular Risk Using WHO/ISH Risk Prediction Chart Among Adults in Oman: A Nationally Representative Survey

Abstract

Objectives: Cardiovascular diseases (CVDs) are the major cause of morbidity and mortality globally and in Oman. Stratifying the population under different risk levels based on the total CVD risk approach using the World Health Organization/International Society of Hypertension (WHO/ISH) risk prediction chart would be more effective in primary prevention of CVD to prioritize and utilize valuable resources. Hence, this study aimed to assess the total 10-year CVD risk among adults in Oman and to ascertain the proportion of the population in need of pharmacotherapy. Methods: We used the data from the 2017 national community-based STEPS survey conducted among men and women in Oman aged 40–80 years. Ten-year total cardiovascular risk was measured using the WHO/ISH risk prediction chart for Eastern Mediterranean Sub-Region B. Independent t-test and Chi-square were used to test significance. Results: There were 2510 participants in the study. Their mean age was 51.5±10.1 years and 51.3% were male. The prevalence of low, moderate, and high CVD risk was 68.0%, 19.1%, and 12.9%, respectively, as benchmarked by the WHO/ISH chart. Immediate pharmacotherapy was needed by 30.3% of participants. Factors significantly associated with elevated CVD risk were the participant's age (p <0.001), education level (p< 0.001), and employment status (p< 0.001). Conclusions: A substantial fraction of the population in Oman are at moderate or high CVD risk. Prompt pharmacological interventions are warranted for at least one in every five individuals in conjunction with lifestyle changes.

Keywords

• cardiovascular diseases
• models
• statistical
• chart
• health surveys
• oman