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. 2014 Jul-Aug;56(4):363-70.
doi: 10.21149/spm.v56i4.7356.

Effect of particulate matter less than 10µm (PM10) on mortality in Bogota, Colombia: a time-series analysis, 1998-2006

Luis Camilo Blanco-Becerra  1 , Víctor Miranda-Soberanis  2 , Leticia Hernández-Cadena  2 , Albino Barraza-Villarreal  2 , Washington Junger  3 , Magali Hurtado-Díaz  2 , Isabelle Romieu  2
Affiliations

Effect of particulate matter less than 10µm (PM10) on mortality in Bogota, Colombia: a time-series analysis, 1998-2006

Luis Camilo Blanco-Becerra et al. Salud Publica Mex. 2014 Jul-Aug.

Abstract

Objective: To analyze the association between daily mortality from different causes and acute exposure to particulate matter less than 10 microns in aerodynamic diameter (PM10), in Bogota, Colombia.

Materials and methods: A time-series ecological study was conducted from 1998 to 2006. The association between mortality (due to different causes) and exposure was analyzed using single and distributed lag models and adjusting for potential confounders.

Results: For all ages, the cumulative effect of acute mortality from all causes and respiratory causes increased 0.71% (95%CI 0.46-0.96) and 1.43% (95%CI 0.85-2.00), respectively, per 10µg/m³ increment in daily average PM10 with a lag of three days before death. Cumulative effect of mortality from cardiovascular causes was -0.03% (95%CI -0.49-0.44%) with the same lag.

Conclusions: The results suggest an association between an increase in PM10 concentrations and acute mortality from all causes and respiratory causes.

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