Unsupervised algorithms to identify potential under-coding of secondary diagnoses in hospitalisations databases in Portugal.
Diana PortelaRita AmaralPedro P RodriguesAlberto FreitasElísio CostaJoão A FonsecaBernardo Sousa-PintoPublished in: Health information management : journal of the Health Information Management Association of Australia (2023)
Our proposed methodological framework could both enhance data quality and act as a reference for other studies relying on databases with similar problems.