Agreement between the Danish Cancer Registry and the Danish Lung Cancer Registry.

Introduction: The Danish Cancer Registry (DCR) and the Danish Lung Cancer Registry (DLCR) are nation-wide registries recording Danish patients with lung cancer (LC). The aim of this study was to assess data agreement and possible consequences hereof on estimation of survival between patients in the two registries.

Methods: Descriptive statistics were used for comparison of registered patients in 2013-2014 in the DCR and the DLCR.

Agreement between the Danish Cancer Registry and the Danish Colorectal Cancer Group Database.

The Danish Cancer Registry (DCR) and the Danish Colorectal Cancer Group (DCCG) database are population-based registries collecting information on Danish patients with colorectal cancer (CRC). DCR registers all patients with incident CRC whereas DCCG records patients with first time CRC. The registries use different inclusion criteria.