Claudia Pieper, Eman Alkhalawi, Johannes Reinholz, Dmitrii Gushin, Compliance to Company Based Colorectal Cancer Screening in Germany using Fecal Immunochemical Test (FIT) - Results of Almost Half a Million FIT Tests, Journal Of Colon And Rectal Cancer, Volume 1, Issue 2, 2017, Pages 26-35, ISSN 2471-7061, https://doi.org/10.14302/issn.2471-7061.jcrc-17-1624. (https://openaccesspub.orgjcrc/article/538) Keywords: colorectal cancer screening; opportunistic screening; fecal immunochemical test; sensitivity; specificity; positive predictive value; likelihood ratio