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Sex-differences in COVID-19 diagnosis, risk factors and disease comorbidities: A large US-based cohort study
Samer A Kharroubi1,2, Marwa Diab-El-Harake1
1Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon.
Insights
Men experience higher COVID-19 morbidity and mortality, with significant differences in sociodemographics and comorbidities observed between sexes. Hypertension and diabetes were more frequent in males, informing gender-specific health strategies.
Area of Science:
- Epidemiology
- Public Health
- Sex and Gender in Medicine
Background:
- COVID-19 disproportionately affects men, but the reasons remain unclear.
- Investigating sex and gender differences is crucial for understanding disease outcomes.
- Existing research lacks comprehensive analysis of sociodemographic, lifestyle, and comorbidity factors.
Purpose of the Study:
- To explore sex-gender disparities in COVID-19 patients within a large US cohort.
- To compare sociodemographic characteristics between male and female COVID-19 patients.
- To examine sex differences in lifestyle factors and comorbidities among diagnosed individuals.
Main Methods:
- Retrospective cohort study utilizing electronic medical records from January 2020 to December 2021.
- Involved 62,310 patients with test-confirmed COVID-19.
- Analysis included demographics, medical history, and comorbidities, with logistic regression for comorbidity analysis.
Main Results:
- Significant sociodemographic differences were found between males and females (p < 0.05).
- Males had a higher proportion of individuals aged ≥70 years and were more frequently smokers (p < 0.0001).
- Hypertension (ORa = 66.19) and diabetes (ORa = 22.90) were significantly more prevalent in males.
Conclusions:
- Understanding sex-gender differences in COVID-19 is vital for equitable health responses.
- Findings can enhance the effectiveness of clinical practice and public health interventions.
- This study highlights key differences in comorbidities that may explain differential outcomes.
Introduction:
Morbidity and mortality from COVID-19 are higher among men, however, underlying pathways remain controversial. We aim to investigate sex-gender differences in COVID-19 in a large US-based cohort, namely COVID-19 Research Database. More specifically, the objectives are to explore the socio-economic characteristics of COVID-19 male and female patients and to examine potential sex differences in lifestyle factors and disease comorbidities among diagnosed patients.
Methods:
This is a retrospective cohort study contrasting male vs. female patients with test-confirmed COVID-19. The study used Healthjump electronic medical records (e.g., demographics, encounters, medical history, and vitals) extracted from January 2020 to December 2021 (N = 62,310).
Results:
Significant sociodemographic and comorbidity differences were observed between males and females (p < 0.05). For example, a significantly higher proportion of males (vs. females) were aged ≥70-year-old (17.04 vs. 15.01%) and smokers (11.04 vs. 9.24%, p < 0.0001). In addition, multiple logistic regression showed that hypertension and diabetes were significantly more frequent in males [adjusted odds ratio (ORa) = 66.19 and ORa = 22.90].
Conclusions:
Understanding the differences in outcomes between male and female patients will inform gender equity responsive approach to COVID-19 and enhance the effectiveness of clinical practice, health policy and interventions.
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