Incidence of advanced colorectal cancer in Germany: comparing claims data and cancer registry data.
Katja Anita OppeltSabine LuttmannKlaus KraywinkelUlrike HaugPublished in: BMC medical research methodology (2019)
While ASIRs of advanced CRCs overall agreed well between claims and cancer registry data in 2014, the analyses stratified by presence of distant metastases showed differences. Cancer registries might underestimate ASIRs of CRCs with distant metastases.