INTRODUCTION

: Excess mortality (EM) provides a robust metric of the global impact of mortality during a pandemic or unusual event. In order to determine the impact of the COVID-19 pandemic on the excess of deaths that occurred in the Buenos Aires Province (BAP), the present study was carried out.

METHODS

: A population-based retrospective descriptive study has been developed. For the analysis of EM, the P-score method was used, based on the comparison of mortality between a baseline period -historical 2015-2019-, with respect to deaths that occurred in the Province during the year 2020.

RESULTS

: The Province provisionally records an average EM of 7.59%, considering as a baseline the upper confidence limit of 95% of the historical series 2015-2019, or 12.15% if the historical average is considered. A differential impact is observed according to sex and age group with respect to the values of the historical period.

DISCUSSION

: Deaths from COVID-19 in the Province exceed EM, which indicates the existence of a replacement for other causes of death. This result, which distinguishes the BAP from the Latin American countries surveyed and other European and Oceania countries, it would not be possible to estimate an underreporting of deaths from COVID-19.

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