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Excess mortality in Puerto Rico due to Hurricane Maria estimated by community-based survey sampling

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Created: Mar 04, 2019 at 6:55 a.m.
Last updated: Mar 05, 2019 at 1:42 a.m.
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By December 2017, the official death toll in Puerto Rico due to Hurricane Maria was set at 64 excess deaths. To verify the validity of this death count, a study by Kishore et al used a community-based survey sampling method to compute an empirical measurement of the death count. The study sampled from approximately 3000 households, then compared the estimated deaths with the vital statistics data from 2016 through the end of December 2017. The study method estimated 4645 excess deaths with a 95% confidence interval from 793 to 8498 potential excess deaths. These estimated excess mortality shows a markedly high estimate with a wide confidence interval, but despite these issues the estimates do indicate that the official death tool is a significantly underestimate of the realistic excess deaths in the population.

Due to copy-right permissions, the article should be accessed at the source website. Please use the following reference citation and doi to redirect there:
Kishore N, Marqués D, Mahmud A, Kiang MV, Rodriguez I, Fuller A, Ebner P, Sorensen C, Racy F, Lemery J, Maas L. Mortality in Puerto Rico after Hurricane Maria. New England journal of medicine. 2018 Jul 12;379(2):162-70.

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Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
East Longitude
South Latitude
West Longitude


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This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Hurricane Maria 2017 Collection Christina Norton · Graciela Ramirez-Toro  Public &  Shareable Open Access
Hurricane Maria 2017 Collection Nathan Kim  Private &  Shareable None


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation Building Infrastructure to Prevent Disasters like Hurricane Maria 1810647

How to Cite

New England Journal of Medicine (2019). Excess mortality in Puerto Rico due to Hurricane Maria estimated by community-based survey sampling, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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