Publications by authors named "Oscar Andres Gamboa-Garay"

Objectives: The objective of this study was to identify the association between healthcare fragmentation and survival for patients with colorectal cancer in Colombia.

Methods: A retrospective cohort study was performed using administrative databases, with an electronic algorithm to identify patients with colorectal cancer based on codes. The patients were enrolled between January 1, 2013, and December 31, 2016.

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Objective: To analyze the cervix cancer mortality in Colombia, based on age, period and cohort effects.

Methods: The mortality and population data were taken from the official databases of the National Administrative Department of Statistics, DANE. Five models were adjusted, the significance of the effects was obtained by comparing them through the likelihood ratio test.

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Purpose: Despite the call to increase the number of radiation oncologists in Latin America, the quality, similarity, and number of residency training programs are unknown. We seek to describe the current state of residency programs in radiation oncology in Latin America.

Methods And Materials: Latin American Residents in Radiation Oncology performed a cross-sectional analysis of universities and training centers for radiation oncologists in Latin America.

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Objective: To assess cost-effectiveness of antifungal treatment on patients with persistent fever neutropenia: empiric antifungal therapy (EAT) vs. anticipated antifungal therapy (AAT).

Methods: A decision model was performed to evaluate the cost-effectiveness of antifungal treatment strategies in patients with febrile neutropenia not responding to a broad spectrum antibiotic treatment.

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Objective: To evaluate the cost-effectiveness of different screening strategies for colorectal cancer in Colombia.

Methods: We designed a Markov model to compare the clinical and economic impact in terms of reducing the incidence and mortality from colorectal cancer (CRC). Six screening strategies for adults were compared: fecal occult blood (FOBT) immunochemical and guaiac type, conventional colonoscopy, flexible sigmoidoscopy, and FOBT guaiac and immunochemical type more sigmoidoscopy.

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