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Perimeter Confinements of Basic Health Zones and COVID-19 Incidence in Madrid, Spain (preprint)
researchsquare; 2021.
Preprint
in English
| PREPRINT-RESEARCHSQUARE | ID: ppzbmed-10.21203.rs.3.rs-646779.v1
ABSTRACT
Background:
A unique policy of perimeter closures of Basic Health Zones (small administrative health units) was implemented in the Autonomous Region of Madrid from September 21st 2020 to May 23rd 2021 to face the COVID-19 pandemic.Aim:
To assess the impact of local perimeter confinements on the 14-days cumulative incidence of SARS-CoV-2 during the second wave of the pandemic in Madrid, Spain.Methods:
We compare the errors in estimation of two families of mathematical models ones that include the perimeter closures as explanatory covariables and ones that do not, in search of a significant improvement in estimation of one family over the other. We incorporate leave-one-out cross-validation and the choice of the best over 15 models at each step in our analysis for statistical signification.Results:
The two families of models provided very similar estimations (correlation of the errors > 0.95 (±10-3 95% CI), difference in means of the errors < 1.2 (±0.7 95% CI) 14-days cumulative incidence), both for a 2 weeks and 3 weeks delay in observed cumulative incidence and also when restricting the analysis to only those Basic Health Zones that were subject to at least one closure during the time under study.Conclusion:
Our analysis suggests that the perimeter closures by Basic Health Zone did not have a significant effect on the epidemic curve in Madrid, either 2 or 3 weeks after their activation.
Full text:
Available
Collection:
Preprints
Database:
PREPRINT-RESEARCHSQUARE
Main subject:
COVID-19
Language:
English
Year:
2021
Document Type:
Preprint
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