Sustained sex-based treatment differences in acute coronary syndrome care: Insights from the American Heart Association Get With The Guidelines Coronary Artery Disease Registry.
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Sex-based differences in acute coronary syndrome (ACS) mortality may attenuate with age due to better symptom recognition and prompt care.Age is a modifier of temporal trends in sex-based differences in ACS care.Among 104 817 eligible patients with ACS enrolled in the AHA Get With the Guidelines-Coronary Artery Disease registry between 2003 and 2008, care and in-hospital mortality were evaluated stratified by sex and age. Temporal trends within sex and age groups were assessed for 2 care processes: percentage of STEMI patients presenting to PCI-capable hospitals with a DTB time ≤ 90 minutes (DTB90) and proportion of eligible ACS patients receiving aspirin within 24 hours.After adjustment for clinical risk factors and sociodemographic and hospital characteristics, 2276 (51.7%) women and 6276 (56.9%) men with STEMI were treated with DTB90 (adjusted OR: 0.85, 95% CI: 0.80-0.91, P < 0.0001 for women vs men). Time trend analysis showed an absolute increase ranging from 24% to 35% in DTB90 rates among both men and women (P for trend <0.0001 for each group), with consistent differences over time across the 4 age/sex groups (3-way P-interaction = 0.93). Despite high rate of baseline aspirin use (87%-91%), there was a 9% to 11% absolute increase in aspirin use over time, also with consistent differences across the 4 age/sex groups (all 3-way P-interaction ≥0.15).Substantial gains of generally similar magnitude existed in ACS performance measures over 6 years of study across sex and age groups; areas for improvement remain, particularly among younger women.© 2018 Wiley Periodicals, Inc.
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Acute Coronary Syndrome
Age Factors
Aged
American Heart Association
Aspirin
Chi-Square Distribution
Coronary Artery Disease
Female
Guideline Adherence
Healthcare Disparities
Humans
Logistic Models
Male
Middle Aged
Odds Ratio
Percutaneous Coronary Intervention
Platelet Aggregation Inhibitors
Practice Guidelines as Topic
Practice Patterns, Physicians'
Process Assessment (Health Care)
Prospective Studies
Quality Improvement
Quality Indicators, Health Care
Registries
Risk Factors
ST Elevation Myocardial Infarction
Sex Factors
Time Factors
Time-to-Treatment
Treatment Outcome
United States
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