Do GPs know their patients with cancer? Assessing the quality of cancer registration in Dutch primary care:a cross-sectional validation study

Objectives: To assess the quality of cancer registry in primary care. Design and setting: A cross-sectional validation study using linked data from primary care electronic health records (EHRs) and the Netherlands Cancer Registry (NCR). Population: 290 000 patients, registered with 120 general practitioners (GPs), from 50 practice centres in the Utrecht area, the Netherlands, in January 2013. Intervention: Linking the EHRs of all patients in the Julius General Practitioners' Network database at an individual patient level to the full NCR (similar to 1.7 million tumours between 1989 and 2011),... Mehr ...