A new study shows that men are more likely to test positive for SARS-CoV-2, the virus responsible for Covid-19, more likely to suffer complications and more likely to die from the virus than women, regardless of age.

Evidence from China and Europe has suggested that mortality from COVID-19 infection is higher in men than women, but evidence from US populations is lacking.

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To check this, a team of scientists from the Houston Methodist Research Institute carried out a more comprehensive study. The results of the study, published in the journal PLOS ONE, showed that men are more likely to test positive for the virus responsible for Covid -19, more likely to suffer complications and more likely of dying from the virus than women, regardless of age.

For this study, researchers used data from a medical service provider in the Houston, Texas metropolitan area to determine the associations between sex and Covid-19 epidemiology.

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Data on the Covid test, hospital admissions, mortality and demographic data were extracted from the electronic medical records of all 96,496 adults over the age of 18 who were tested for SARS-CoV-2 between March 6 and August 22, 2020.

Overall, 15.5% of individuals tested positive for the virus. After adjusting for sociodemographic factors and previous pathologies, men were more likely to be associated with infection than women.

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Similarly, the proportion of patients requiring intensive care was significantly higher among men (34.1%) compared to women (27.6%). In addition, more men (19.0%) were transferred to ventilation than women (14.7%) and the mortality rate in men (11.6%) was also higher compared to women (8.3%).