The journal of allergy and clinical immunology. In practice
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J Allergy Clin Immunol Pract · Nov 2015
Risk of Asthma in Late Preterm Infants: A Propensity Score Approach.
The risk of asthma, specifically in former late preterm infants, has not been well defined. Covariate imbalance and lack of controlling for this has led to inconsistent results in prior studies. ⋯ A late preterm birth history is not independently associated with childhood asthma, as the reported risk of asthma among former late preterm infants appears to be due to covariate imbalance.