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Revista Peruana de Medicina Experimental y Salud Publica
Print version ISSN 1726-4634
Abstract
GUTIERREZ-JUAREZ, Richy Rogelio et al. Place of residence and social marginalization as prognostic factors for prostate cancer survival in Veracruz, Mexico. Rev. perú. med. exp. salud publica [online]. 2020, vol.37, n.3, pp.423-430. ISSN 1726-4634. http://dx.doi.org/10.17843/rpmesp.2020.373.4929.
Objectives:
To determine if the place of residence and the level of social marginalization are associated with prostate cancer survival.
Materials and methods:
All patients diagnosed with prostate cancer (PC) in the period from 2013 to 2017 in a tertiary healthcare hospital in Veracruz, Mexico were included. Patients resided in rural and urban areas. Variables were collected according to clinical-epidemiological and histopathological characteristics. The Kaplan Meier method and the Log Rank test were used to measure survival. Prognostic factors were determined by calculating the adjusted hazard ratio (HRa) in a multivariate analysis using the Cox proportional risk method.
Results:
A total of 186 PC cases were analyzed. Overall, after 5 years, 48.3% of the patients survived. Men living in urban areas had a higher probability of survival than those living in rural areas (HRa 1.67, 95% CI 1.16-2.41). Similarly, people living in areas classified as low- marginalization zones had a higher probability of survival than those living in areas with a high level of social marginalization (HRa 2.32, 95% CI 1.47-3.66).
Conclusions:
To reside in a rural place was identified as a negative prognostic factor for the survival of patients with PC regardless of other sociodemographic and clinical variables; patients living in high-marginalization places had an unfavorable survival prognosis.
Keywords : Prostatic Neoplasms; Survival Analysis; Rural Population; Socioeconomic Factors; Mexico.