[Evaluation of Quality Indicators of Evidence-Based Guidelines Using ADT/GEKID Base Dataset and its Organ-Specific Modules].

Aim: According to the Cancer Screening and Registers Act (KFRG, §65c SGB V), clinical cancer registration in Germany has to be based on the consistent set of variables developed by the "Association of German Tumor Centers" (ADT) and "Association of Population-based Cancer Registries in Germany" (GEKID) to improve oncological care. Quality indicators in evidence-based guidelines are measures to assess the quality of treatment and outcome in clinical care. The aim of this study was to find out the extent to which it is possible to determine these quality indicators using the ADT/GEKID's set of variables and the organ-specific modules.

Laparoscopic surgery in patients with colon cancer: a population-based analysis.

Background: The long-term outcomes after laparoscopic surgery for colon cancer remain debatable, as randomized trials have reported similar outcomes for open and laparoscopic surgery but population-based data are scarce. Thus, it is unclear whether, outside of clinical trials, laparoscopic surgery that is performed as a standard clinical treatment has detrimental effects on patients' long-term survival.

Methods: This study examined a unified database of 30 German regional cancer registries for patients with colorectal cancer who were diagnosed between 2003 and 2011.

[Quality management in oncology supported by clinical cancer registries].

Efforts in nationwide quality management for oncology have so far failed to comprehensively document all levels of care. New organizational structures such as population-based clinical cancer registries or certified organ cancer centers were supposed to solve this problem more sufficiently, but they have to be accompanied by valid trans-sectoral documentation and evaluation of clinical data. To measure feasibility and qualitative effectiveness of guideline implementation we approached this problem with a nationwide investigation from 2000 to 2011.