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- Title
Sex differences in infective endocarditis: a Danish nationwide study.
- Authors
Stahl, Anna; Østergaard, Lauge; Havers-Borgersen, Eva; Strange, Jarl Emanuel; Voldstedlund, Marianne; Køber, Lars; Fosbøl, Emil Loldrup
- Abstract
Purpose: Sex differences in infective endocarditis (IE) are reported, but patient characteristics are sparse and conflicting findings on the association between sex and short-term outcomes demand further research. We aimed to characterize sex differences in IE in terms of patient characteristics, frailty, microbiology, socioeconomic status, management and outcome on a nationwide scale. Methods: Between 2010 and 2020, we used Danish national registries to characterize patients with IE according to sex using ICD codes and microbiological lab reports. Frailty was assessed with the Hospital Frailty Risk Score. Mortality was reported with Kaplan–Meier estimates. Logistic regression and Cox regression were used for adjusted analyses. Results: We included 6259 patients with IE with 2047 (32.7%) female patients and 4212 (67.3%) male patients. Female patients were older (median age 75.0 years (64.3–82.2) vs. 71.7 (61.7–78.9)) and more frail (Intermediate frailty: 36.5% vs. 33.1%, High frailty: 11.4% vs. 9.2%). Staphylococcus aureus-IE were most common in both sexes (34.6% vs. 28.8%), but fewer female patients had Enterococcus-IE (10.5% vs. 18.1%). Female patients were less surgically treated (14.0% vs. 21.2%). Female sex was associated with increased in-hospital mortality (adj. OR 1.33, 95% CI 1.16–1.52), but no statistically significant difference in associated 1- and 5-year mortality from hospital discharge were identified (adj. HR 1.09, 95% CI 0.95–1.24 and 1.02, 95% CI 0.92–1.12, respectively). Conclusion: Female sex is associated with increased in-hospital mortality, but not in long-term mortality as compared with male patients. Female patients have a lower prevalence of Enterococcus-IE and rates of surgery. Further research is needed to understand these differences.
- Subjects
DENMARK; SEX distribution; FRAIL elderly; LOGISTIC regression analysis; ENDOCARDITIS; DESCRIPTIVE statistics; RETROSPECTIVE studies; KAPLAN-Meier estimator; ODDS ratio; CONFIDENCE intervals; DATA analysis software; SOCIAL classes; PROPORTIONAL hazards models
- Publication
Infection, 2024, Vol 52, Issue 2, p503
- ISSN
0300-8126
- Publication type
Article
- DOI
10.1007/s15010-023-02109-5