Association of Vitamin D Deficiency with Chronic Stable Angina: A Case Control Study
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Coronary heart disease is a major cause of death worldwide. Although the relationship between vitamin D status and cardiovascular diseases is not clearly understood, vitamin D deficiency could be a potentially modifiable and underestimated risk factor for ischemic heart diseases. This study aims to assess and compare vitamin D status between patient group with chronic stable angina and matched control group.
A case-control study was conducted on chronic stable angina patients and matched controls attending family medicine/internal medicine clinics at Cairo University Hospitals. Forty two adult patients with chronic stable angina and forty two matched controls were studied. Detailed medical history, examination, and laboratory tests (vitamin D, fasting lipid profile, and blood sugar) were collected from study participants of both groups.
Severe vitamin D deficiency was found in 78.6% and 7.1% of cases and controls, respectively. Vitamin D level was found to be a significant predictor of chronic stable angina. Every unit (ng/ml) increase in vitamin D level decreases the chance of the subject to have chronic stable angina by 0.30 times.
There is a significant association between vitamin D deficiency and the occurrence of chronic stable angina.
KeywordsVitamin D Angina Ischemic heart disease Coronary artery disease
Compliance with Ethical Standards
Conflict of interest
On behalf of all authors, the corresponding author states that there is no conflict of interest.
The study protocol was approved by the Ethical Committee of Faculty of Medicine, Cairo University.
Participants were informed about the objectives, methods, and possible impact of the study and a written consent was obtained.
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