作者: Carl J. Brown , Jason Faulds , Colleen E. McGahan , P.T. Phang , Manoj J. Raval
DOI: 10.1503/CJS.027511
关键词: Colorectal cancer 、 Carcinoma in situ 、 Health services research 、 Family medicine 、 Population 、 Medicine 、 Referral 、 Gynecology 、 Cancer 、 Retrospective cohort study 、 Cancer Care Facilities
摘要: Background In Canada, provincial cancer registries have been established to provide rigorous population-based data for patients with colorectal cancer. Databases maintained by regional agencies contain a broader scope of information and used as surrogate source research. It is unclear whether these can be reliably extrapolated all affected We sought determine included in referral-based database are systematically different from who not included.