Internal deterministic record linkage using indirect identifiers for matching of same-patient hospital transfers and early readmissions after acute coronary syndrome in a nationwide hospital discharge database: a retrospective observational validation study.
José Afonso RochaLuıs Filipe AzevedoJ C Silva CardosoThomas G AllisonAlberto FreitasPublished in: BMJ open (2019)
Our internal linkage validation study using indirect patient identifiers will allow calibration of incidence rates and performance indicators, accounting for the effect of HT and readmissions.