Sizes represent approximate sizes as of 2012; many sites are still actively recruiting. NLP = Natural Language Processing. Sites joined with 1eMERGE-I in 2007, 2eMERGE-II in 2011, or as 3pediatric sit
Objective Cohort selection is challenging for large-scale electronic health record (EHR) analyses, as International Classification of Diseases 9th edition (ICD-9) diagnostic codes are notoriously unre
If there are no patients with a diagnosis code in the control groups, odds ratio is not calculated (i.e. N/A). Kawasaki vs. influenza yields no significant associations not already found in Kawasaki v