Socioeconomic Status and Survival After Heart Attack
Author Information
Author(s): Maria Rosvall, Basile Chaix, John Lynch, Martin Lindström, Juan Merlo
Primary Institution: Malmö University Hospital, Lund University
Hypothesis
Does socioeconomic position affect long-term survival after recovery from acute myocardial infarction?
Conclusion
Patients with high income had better long-term survival after recovery from their AMI compared to those with low income.
Supporting Evidence
- Patients with higher income underwent revascularization procedures two to three times more often than those with lower income.
- Low income groups had a higher risk of death within five years after AMI.
- Revascularization procedures were beneficial across different income groups.
Takeaway
People with more money tend to live longer after a heart attack than those with less money, even though both groups can get treatment.
Methodology
The study analyzed data from the Swedish Myocardial Infarction Register for patients aged 45-84 who survived 28 days after their first AMI from 1993 to 1996.
Potential Biases
Potential biases may arise from the lack of detailed categorization of hospital capabilities and the exclusion of patients who died within 28 days.
Limitations
The study lacked information on health behaviors, healthcare utilization, and social support, which could mediate the income-mortality association.
Participant Demographics
The study included 16,041 women and 30,366 men aged 45 to 84 years.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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