Methods: In a prospective study of 294 healthy children (6 months–3 years), characteristics of AOM complicating URI were studied. Otoscopic findings were categorized by tympanic membrane (TM ...

Otoscopic diagnosis was categorized based on OS-8 score into (1) AOM (meeting 3 criteria and OS score of 2 or higher), (2) acute myringitis (inflammatory changes of TM without presence of MEF ...