Positive Predictive Value of Non-Traumatic Bleeding Diagnoses in the Danish National Patient Register.
Maja ThaarupPeter Brønnum NielsenAnne Estrup OlesenMaria Bitsch PoulsenTorben Bjerregaard LarsenFelix WittströmThure Filskov OvervadPublished in: Clinical epidemiology (2023)
The overall validity of non-traumatic bleeding diagnoses in the Danish National Patient Registry is high and considered acceptable for epidemiological research. However, PPVs were substantially higher for primary than for secondary diagnosis.