ArticleEinstein (Sao Paulo, Brazil)2025
Mortality rate in patients with symptomatic peripheral artery disease in Brazil: comparison between sexes.
Article in Einstein (Sao Paulo, Brazil), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare mortality rates between sexes in a cohort of patients with intermittent claudication residing in a metropolitan city in Brazil.
methodsIn this study, we included 215 patients (mean age 67±10 years, 65.3% men) who were followed for an average of 5.2 years (95% confidence interval [95%CI]: 4.8-5.5 years). At baseline, sociodemographic data, comorbidities, and clinical characteristics were recorded. The six-minute walk test was administered, with results reported as both absolute and relative walking distances, the latter based on reference values for healthy individuals with similar characteristics. Deaths were documented throughout the follow-up period. Cox regression analysis was used to estimate hazard ratios (HRs) and 95%CIs, adjusting for potential confounding factors.
resultsA total of 105 patients (58.9% men) died, with cardiovascular diseases accounting for the leading cause of death (32.0%). Deceased patients were older, had a higher prevalence of hypertension, and demonstrated shorter absolute and relative walking distances. Men had a significantly higher risk of all-cause mortality compared to women, independent of age, chronic obstructive pulmonary disease, six-minute walking distance, and ankle-brachial index (HR: 2.774; 95%CI= 1.316-5.847).
conclusionIn patients with peripheral artery disease, men with intermittent claudication symptoms exhibit a higher risk of all-cause mortality compared to women. Future research should focus on identifying sex-specific risk factors associated with mortality in this population. Such insights are critical for developing targeted interventions aimed at reducing mortality, particularly among men with intermittent claudication in low- and middle-income countries.
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