Introduction:

Bronchiolitis is considered a respiratory pathology of viral etiology that is frequent in infants. There are several determinants that contribute to its development within this population. Knowledge of these factors will allow preventive measures to be in place, as well as reduce the number of cases.

Objective:

To determine the factors associated with bronchiolitis in patients under 2 years of age treated at a reference hospital in Peru.

Materials and Methods:

an unpaired case-control type design was carried out, with a representative sample, with a sample size of 174 cases and 174 controls by simple random probabilistic sampling, a logistic regression model was carried out for the factors associated with the infant. and the mother for the calculation of the Odds Ratio and 95% confidence interval regarding the dependent variable acute bronchiolitis.

Results:

an association was reported for acute bronchiolitis with the following variables: prematurity 3.02 (95% CI 1.54 - 5.92), low birth weight 1.85 (95% CI 1.07 - 3.20), female gender 2.89 (95% CI 1.72 - 4.86), teenage mother 3.82 (95% CI 2.13 - 6.86) and mother with low educational level 3.02 (95% CI 1.83 - 11.87).

Conclusion:

prematurity, low birth weight, female gender, birth to an adolescent mother and maternal low educational levels are associated with acute bronchiolitis in patients under 2 years of age.

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