| Summary: | Coronary artery disease (CAD) is defined as obstruction of the lumen of the coronary artery due to formation of atherosclerotic plaque. This eventually leads to reduced blood supply to the heart. It could lead to high morbidity and mortality. Risk factors for CAD are divided into modifiable or non-modifiable. Modifiable such as diabetes, hypertension, hyperlipidemia, obesity, smoking while non-modifiable risks are family history, age, and gender according to previous studies.The aim of this study is to identify the predictors and the prevalence of coronary disease risk factors among young Saudi patients.This study reviewed 1061 patients referred to the cardiac catheterization lab in King Abdulaziz Cardiac Center in Riyadh between the year 2010 and 2013. Included patients were males and females aged 18-45 years who underwent coronary angiography for various clinical indications.The results were divided into two groups; Group A aged <35 and Group B >35 years. Male gender in Gp.A 143 (16.1%) vs. Gp.B 747 (83.9%) p-value = 0.500. Smoking Gp.A 84 (15.8%) vs. Gp.B 446 (84.2%) p = 0.680. Obesity Gp.A 43 (14.1%) vs. Gp.B 262 (85.9%) p = 0.234. Family history Gp.A 24 (23.1%) vs. 80 (76.9%) p = 0.069. Hyperlipidemia Gp.A 40 (12.9%) vs. Gp.B 271 (87.1%) p = 0.045. Hypertension Gp.A 20 (8.2%) vs. Gp 233 (91.8%) p = < 0.001. Diabetes Gp.A 20 (7.2%) vs.Gp.B 257 (92.8%) p = < 0.001. The prevalence of CAD was found the highest in male gender, smoking, and obesity respectively. In patients >35 years we found that HTN and Diabetes were statistically significant risk factors. Therefore, a modification of lifestyle habits is recommended.
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