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Revista chilena de pediatría

versión impresa ISSN 0370-4106

Resumen

SANLUIS FENELLI, Gabriela et al. Seroprevalence of anti-Mycoplasma pneumoniae antibodies in otherwise healthy children. Rev. chil. pediatr. [online]. 2020, vol.91, n.3, pp.347-352. ISSN 0370-4106.  http://dx.doi.org/10.32641/rchped.v91i3.1476.

Introduction:

Mycoplasma pneumoniae (Mypn) infection could be occurring at an earlier age due to social pheno mena such as attending daycare centers more frequently and earlier than decades ago.

Objective:

to estimate the prevalence of anti-Mypn antibodies in children aged 0-12 years, and to explore whether age, attendance to daycare center/school, overcrowding or the presence of children aged below 12 years in the households increase the risk of seropositivity.

Patients and Method:

Cross-sectional stu dy including healthy children aged 0-12 years which required blood draws for routine laboratory tests. In all cases, the aforementioned variables were recorded and anti-Mypn IgG was determined by enzyme immunoassay. The association between predictors and seropositivity was assessed in a logistic regression model.

Results:

We included 232 patients (average age 56.4 ± 40.0 months). 56.9% attended a daycare center/school, 63.8% co-habited with children under 12 years old, and 15.9% lived in overcrowded households. The prevalence of anti-Mypn antibodies was 14.6%. There were no significant differences between seropositive and seronegative children regarding age (63.1 ± 40.7 vs. 55.4 ± 41.3 months), school/day-care attendance (64.7% vs. 55.5%), overcrowding (14.7% vs. 14.9%), or co-habiting with children (64.7% vs. 63.6%). Age was not an independent predictor of seropositivity in the multivariate model.

Conclusion:

The prevalence of anti-Mypn antibodies in children was 14.6% and age was not a predictor of seropositivity.

Palabras clave : Acute respiratory infection; Mycoplasma pneumoniae; pneumonia; prevalence; serology; child.

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