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Published on: January 28, 2020
Survival rates with coronary artery disease for black women compared with black men
Y Liao1, R S Cooper, J K Ghali
1Department of Preventive Medicine and Epidemiology, Loyola University Medical Center, Maywood, IL 60153.
Insights
Black women with coronary heart disease have similar survival rates to black men. However, women face a worse prognosis compared to men without the disease.
Area of Science:
- Cardiology
- Public Health
- Health Disparities
Background:
- Coronary heart disease (CHD) affects diverse populations, with potential disparities in outcomes.
- Understanding gender-specific prognosis in black patients with CHD is crucial for targeted interventions.
Purpose of the Study:
- To investigate the influence of gender on the prognosis of coronary heart disease (CHD) specifically within the black patient population.
Main Methods:
- A cohort study was conducted using a consecutive sample from a hospital registry in Chicago, IL.
- Included were 1719 black patients (780 men, 939 women) undergoing cardiac catheterization, hospitalization for acute myocardial infarction, or coronary artery bypass grafting.
- Follow-up averaged 4 years, with adjusted analyses for various risk factors.
Main Results:
- Overall mortality rates for acute myocardial infarction and coronary artery bypass grafting were similar between men and women.
- Relative risks for cardiac death showed no significant difference between women and men for CHD, myocardial infarction, or bypass grafting after adjustments.
- However, compared to same-sex individuals without CHD, women had substantially higher relative risk estimates for adverse outcomes than men.
Conclusions:
- Prognosis for black women with coronary heart disease is comparable to that of black men.
- Black women with CHD have a considerably worse prognosis relative to same-sex individuals without the disease, compared to men.
Objective:
To evaluate the influence of gender on the prognosis of coronary heart disease among black patients.
Design:
Cohort study based on a consecutive sample from a hospital registry, with a mean follow-up of 4 years.
Setting:
An inner-city public hospital in Chicago, Ill.
Patients:
The study included 1719 consecutive black patients (780 men and 939 women) who had any one of the following events: cardiac catheterization for presumed coronary heart disease, hospitalization for acute myocardial infarction, or coronary artery bypass grafting.
Results:
Hospital and operative mortality rates following acute myocardial infarction and coronary artery bypass grafting were similar between the two sexes. The relative risks for cardiac death in women vs men were 0.88 (95% confidence interval [CI], 0.60 to 1.28), 0.79 (95% CI, 0.53 to 1.17), and 0.79 (95% CI, 0.34 to 1.85) for coronary artery disease, acute myocardial infarction, and coronary artery bypass grafting, respectively, after adjusting for age, history of diabetes, hypertension, angina pectoris and myocardial infarction, number of diseased vessels, and ejection fraction. Compared with patients of the same sex with normal angiograms, relative risk estimates were 5.0, 10.1, and 6.3 for women and were 1.8, 4.0, and 2.0 for men in the same three groups of patients, respectively.
Conclusions:
Survival with coronary artery disease in black women is similar to that observed in black men, but relative to members of the same sex without the disease, the prognosis for women is considerably worse than for men.
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