An analysis of the Central Follow-up Database, carried out for the time period August 2000 and March 2001, was reported to Tristate Board in 27-28 May 2001. A further analysis was carried out this year (April 2004) and updated in October 2004, in which the parameters analysed previously and other variables were examined. This report reflects the details of persons with STis who were tested in the NT, outside annual screen periods.