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Gaceta Sanitaria
Print version ISSN 0213-9111
Abstract
OCHOA SANGRADOR, Carlos et al. Impact of COVID-19 on mortality in the autonomous community of Castilla y León (Spain). Gac Sanit [online]. 2021, vol.35, n.5, pp.459-464. Epub Jan 24, 2022. ISSN 0213-9111. https://dx.doi.org/10.1016/j.gaceta.2020.04.009.
Objective
To estimate the increase in mortality associated with the SARS-CoV-2 coronavirus pandemic in the autonomous community of Castilla y León (Spain).
Method
Ecological study based on population and death data for the months of March 2016 to 2020 in Castilla y León. The general and provincial standardized rates, the relative risks of the year 2020 with respect to previous years and the risks adjusted by sex, periods and province, using Poisson regression, were calculated. Trend analysis was performed using joinpoint linear regression.
Results
An increase in mortality was observed in March 2020 with respect to previous years, with an increase of 39% for men (relative risk [RR]: 1.39; 95% confidence interval [95%CI]: 1.32-1.47) and 28% for women (RR: 1.28; 95%CI: 1.21-1.35). The model predicts excess mortality of 775 deaths. In the trend analysis there is a significant turning point in 2019 in men, globally and for almost all provinces. The increase in mortality is general, although heterogeneous by sex, age group and province.
Conclusions
Although the observed increase in mortality cannot be totally attributed to the disease, it is the best estimate we have of the real impact on deaths directly or indirectly related to it. The number of declared deaths only reaches two thirds of the increase in mortality observed.
Keywords : Severe acute respiratory syndrome coronavirus 2; COVID-19; Mortality; Social determinants of health.