The National Bowel Cancer Screening Program annual monitoring report 2009 presented estimated national statistics on key program activity, performance and outcome indicators for people invited to screen in 2008. Using the latest program data to January 2010, this data supplement provides final statistics on participation, documented follow-up procedures, and cancer and bowel abnormality detection outcomes for these people. While this data update provides a larger amount of outcome data, incomplete reporting, particularly histopathology confirmations, still hinders a complete picture of participant outcomes.