ORIGINAL RESEARCH Validity of a procedure to identify patients with chronic idiopathic thrombocytopenic purpura in the Danish National Registry of Patients Katrine Edith Klith Heden Annette Østergaard Jensen Dora Körmendiné Farkas Mette Nørgaard Department of Clinical Epidemiology, Aarhus University ...
in a small clinical trial involving 70 patients with idiopathic dilated cardiomyopathy who received an ICD for primary prevention of sudden cardiac death on the basis of either asymptomatic nonsustained VT on ambulatory electrocardiographic (Holter) monitoring and a LVEF of 30% or less despite optimal...
However, the quality of the recorded diagnoses needs evaluation.Aim: We evaluated the validity in predicting chronic ITP of the International Classifi cation of Diseases (ICD)-10 diagnoses of ITP in the Danish National Registry of Patients (NRP).Methods: We used the NRP to identify patients ...