Epidemiologic Assessment of Microtia in Over 23 Million Consecutive United States Births

Purpose: Conflicting data exist regarding the incidence, demographics, and abnormalities associated with microtia. Using a large national cohort database, a comprehensive evaluation of microtia in the United States was performed. Methods: The Kids' Inpatient Database was reviewed over a 15-year consecutive period. Information regarding patient demographics, comorbidities, postoperative complications, and hospital setting was collected. Statistical tests were analyzed using independent t tests and χ2 analysis. Results: A total of 23,479,792 births over 15 consecutive years from 1997 to 2012 were included in the study. Microtia was identified in 1563 births. Incidence of microtia was higher in males (P

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