Scientific productivity and cancer-related mortality: a case study of a positive association in Colombia
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2019
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Journal of global oncology, 2378-9506. Vol, 2019. Nro, 5. 2019, p. 1-10
Journal of global oncology, 2378-9506, Vol, 2019, Nro, 5. 2019, p. 1-10
Journal of global oncology, 2378-9506, Vol, 2019, Nro, 5. 2019, p. 1-10
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Abstract
PURPOSE Cancer morbidity represents an increasing public health issue; this worldwide phenomenon also is true for emerging upper-middle-income countries, such as Colombia. The main purpose of this study was to uncover the relationship between scientific productivity and cancer-related mortality in our setting. METHODS We conducted a temporal-trend ecologic study by means of bibliometric analysis from records of publications from SCOPUS database with Colombian institutional affiliations between 2000 and 2015. Productivity and overall mortality were estimated and compared using econometric modeling to identify potential correlations. Additional exploratory analyses per six most frequent cancer sites were performed. RESULTS Of 2,645 publication records retrieved, 1,464 (55.3%) met selection criteria to be classified as Colombian scientific production (interobserver agreement, 92.96%; κ = 0.859; 95% CI, 0.800 to 0.918). Overall, 79.6% of the records corresponded to original or in-press articles; furthermore, almost half (49.7%) embodied descriptive study designs. Selected records reported a median of five authors and three different affiliations per publication; 66% had been cited at least once up to September 2017. The most-studied cancer-specific locations were cervix (16.1%), breast (11.5%), and stomach (9.8%), but nonspecific locations had the largest combined participation (23.4%). An increasing trend in scientific productivity was correlated to decreasing trend in overall cancer mortality, which was reported as an inverse proportional relationship in the linear regression modeling (r = −0.958; P, .001). Graphic analyses per cancer-specific sites revealed heterogeneous behaviors of this relationship. CONCLUSION Colombian cancer-specific scientific productivity demonstrated a steady growth as opposed to a decreasing mortality trend in the recent years. The research output is predominantly descriptive with relatively low interinstitutional partnership and low impact in the international scientific community
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Temáticas
Mortalidad
Neoplasias
Salud pública
Neoplasias
Salud pública