Archivos argentinos de pediatria · 2017
Relationship between infant mortality and altitude in the Northwest region of Argentina.
СтатьяНазвание и аннотация: Перевод в очереди
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Chapur Valeria F, Alfaro Emma L, Bronberg Rubén, Dipierri José E
Аннотация
INTRODUCTION: Given its location on the Andes, the Northwest region of Argentina is geographically, socioeconomically, culturally, and biologically heterogeneous, and this is reflected on an infant mortality rate (IMR) that is higher than in any other Argentine region.
OBJETIVE: To estimate IMR, neonatal mortality rate (NMR), and post-neonatal mortality rate (PNMR), and to analyze their spatial and temporal variations using secular trends and the relative risk based on altitudinal zones.
POPULATION AND METHOD: This was a retrospective, descriptive, correlational study based on birth and death data recorded in the Northwest region of Argentina (1998-2010); IMR, NMR, PNMR, secular trends, and the relative risk of death were calculated by district and altitudinal zone (districts at < 2000 meters above sea level, lowlands; at > 2000 meters above sea level, highlands) by means of a cluster analysis.
RESULTS AND CONCLUSIONS: Rates were higher in the highlands; IMR was 29.8%o (versus 15.6%o in the lowlands); PNMR was 17.7% in the highlands (versus 5.2% in the lowlands). In the highlands, there was an annual average reduction of 3.9% in IMR and of 4.1% in PNMR; in the lowlands, such reduction was of 7.0% in IMR and of 9.3% in PNMR. The relative risk of IMR and PNMR was significantly higher at high-altitude zones. NMR, its secular trend, and the relative risk did not show statistically significant differences between both altitudinal zones.
OBJETIVE: To estimate IMR, neonatal mortality rate (NMR), and post-neonatal mortality rate (PNMR), and to analyze their spatial and temporal variations using secular trends and the relative risk based on altitudinal zones.
POPULATION AND METHOD: This was a retrospective, descriptive, correlational study based on birth and death data recorded in the Northwest region of Argentina (1998-2010); IMR, NMR, PNMR, secular trends, and the relative risk of death were calculated by district and altitudinal zone (districts at < 2000 meters above sea level, lowlands; at > 2000 meters above sea level, highlands) by means of a cluster analysis.
RESULTS AND CONCLUSIONS: Rates were higher in the highlands; IMR was 29.8%o (versus 15.6%o in the lowlands); PNMR was 17.7% in the highlands (versus 5.2% in the lowlands). In the highlands, there was an annual average reduction of 3.9% in IMR and of 4.1% in PNMR; in the lowlands, such reduction was of 7.0% in IMR and of 9.3% in PNMR. The relative risk of IMR and PNMR was significantly higher at high-altitude zones. NMR, its secular trend, and the relative risk did not show statistically significant differences between both altitudinal zones.