Nazeer M, Naveed T, Aman Ullah.
A case control study of risk factors for coronary artery disease in Pakistani females.
Ann King Edward Med Uni Jan ;16(3):162-8.

Objectives: To establish the strength of association of conventional risk factors for coronary artery disease in native Pakistani females. Methods: We conducted a case – control hospital based study on 198 females (age 30 – 80 years) scheduled for their first coronary angiography at Punjab Institute of Cardiology, Lahore. Patients were divided into pre-menopausal group (age: 45.1 ± 6.3) and post-menopausal group (62.1 ± 9.1). For each risk factor, patients with significant CAD (≥ 50% luminal diameter stenosis) were regarded as cases an those without significant CAD were taken as controls. Odds Ratios (OR) and their 95% confidence intervals (CI) were calculated by univariate analysis. Results: In total study cohort, Diabetes mellitus (OR 3.65 95% CI 2.0 – 6.5), Family history of premature coronary artery disease (OR 2.3, 95% CI 1.2 – 4.4), and increased waist circumference (OR 2.11, 95% CI 1.2 – 3.8) were strongly associated with significant CAD. In post menopausal age group, diabetes mellitus (OR 2.66 CI 1.3 – 5.1), hyperlipedemia (OR 2.25 CI 1.2 – 2.3) and increased waist circumference (OR 2.16 CI 1.1 – 4.2) reached statistical significance. In pre-menopausal females only diabetes was strongly associated with significant coronary artery disease (OR 10 CI 2.6 – 37.4). Association of hypertension was not significant in any of subgroups studied. Very few cases of smoking (6 / 198) were found in our study to merit any further statistical analysis. Conclusions: Diabetes mellitus was the only risk factor in pre-menopausal females associated with coronary artery disease While diabetes, hyperlipedemia and increased waist circumference were significantly associated with CAD in post-meno-pausal females.

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