Pandemic influenza A (H1N1v) infection in pediatric population: a multicenter study in a North-East area of Italy
2011

Study on H1N1 Influenza in Children in Italy

Sample size: 200 publication Evidence: moderate

Author Information

Author(s): Da Dalt Liviana, Chillemi Chiara, Cavicchiolo Maria Elena, Bressan Silvia, Calistri Arianna, Palù Giorgio, Perilongo Giorgio

Primary Institution: Department of Pediatrics, University of Padua

Hypothesis

What are the demographic and clinical characteristics, treatment outcomes, and risk factors for disease severity of H1N1v infection in children?

Conclusion

The study confirms a favorable prognosis for children with H1N1 influenza, although pre-existing conditions and significant anemia are risk factors for complications.

Supporting Evidence

  • 200 children were enrolled in the study.
  • 44% of patients had at least one underlying medical condition.
  • Fever and cough were the most common symptoms, occurring in 93% and 65% of patients respectively.
  • 6% of patients were admitted to a PICU, and 2.5% required mechanical ventilation.
  • Death occurred in 1% of patients, both of whom had severe prior medical conditions.

Takeaway

This study looked at kids in Italy who got sick from a flu called H1N1. Most of them got better, but some had serious health problems before they got sick.

Methodology

An observational study involving 19 pediatric divisions in the Veneto Region, collecting demographic and clinical data from hospitalized children with H1N1v infection.

Potential Biases

Potential bias due to reliance on clinician-reported data and the observational nature of the study.

Limitations

Data collection relied on different clinicians and chart reviews, which may introduce variability.

Participant Demographics

Median age of participants was 4.15 years, with a slight male predominance; most were Caucasian.

Statistical Information

P-Value

p<0.05

Confidence Interval

95%CI: 1.15-53.34; 95%CI: 2.12-51.70; 95%CI: 2.36-84.64

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1824-7288-37-24

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