Introduction:

The information about the frequency of COVID-19 and its outcomes in people with Multiple Sclerosis (MS) in Colombia is practically non-existent. We aimed to describe the frequency characteristics and factors associated with of COVID-19 in a sample of patients with MS.

Materials and methods:

Descriptive and retrospective analysis of patients diagnosed with Multiple Sclerosis criteria who attended our center between June and October 2021. Patients provided information about SARS-CoV-2 infection and their vaccination. COVID-19 determinants were analyzed using uni-and multivariable binomial logistic regression models.

Results:

240 patients were analyzed, of whom 71% were women, with a mean age of 34 years. The majority of patients were on disease-modifying therapies and over 80 % were vaccinated. 69 patients reported having had COVID-19. In multivariable models, age (OR 0.96; 95 % CI 0.93-0.99) was the only factor associated with a lower odds of COVID-19 infection.

Discussion:

COVID-19 infection in patients with MS in Colombia appears to be independent of clinical and treatment variables, and it appears to be associated with younger age.

Conclusions:

More studies are needed to assess the behavior of COVID-19 in MS patients from Colombia.

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