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Table TDI-2. Clients entering treatment and reporting treatment units, 1998–2011

Part (i) New clients by country and year of treatment

Czech Republic38583891414842334719415846004372411943463981431743624512
United Kingdom(17):::::2808729865429234962547165466014492447566:


: Indicates not data available

(1) 2000 and 2008 data were available but they were not included due to a lack of comparability. 2005 data do not cover Brussels Capital Region. 86% of 2005 clients cannot be classified as having been previously treated or not.

(2) Up to 2001 data cover only Sofia; in 2002 Plovdiv and Varna were included; in 2003 Pleven; in 2003 data cover the capital and the three biggest cities; in 2004 data cover seven treatment units in six cities including the three biggest; in 2005 data cover 10 cities including the three biggest; in 2009 outpatient data covers 7 cities: around 3/5 of the total treated population.

(3) A revision in the German Core Data Set have taken place in 2007.

(4) The data for 2001-2005 exclude clients treated at general practices as the data collection had not been completed at the time of data submission.

(5) From the second semester of 1995 two main drug treatment units stopped participating in the data collection; one of those centres re-entered in 2001 and the other in 2002.

(6) For 2005, data refer to a continuous data collection from 45 % of outpatient treatment units. For previous years (2003) data are based on a national census of drug addiction centres completed in 1 week in November.

(7) Data for 2008 are an estimation based on a sample from 110 treatment centres.

(8) Data from 2005 also include inpatient treatment centre. In 2010 Latvia submitted a new dataset with a more precise TDI EMCDDA definition. In this table data presented for 2010 are still methodologically in line with the data from previous years. According to the new dataset in 2010 there were 287 new clients.

(9) Limited comparability with TDI standards.

(10) The source of the data has changed in 2007 : from 'Hungarian National Focal Point – National statistical programme' (1997-2006) to 'Hungarian National Focal Point – TDI data collection' (2007). The change limits the comparability of the 2007 data to previous data.

(11) From 1996 to 2005 data include only substitution treatments. Data from 2006 are based on new DOKLI data collection.

(12) For 2008 and 2009 data. Numbers presented in table in scope of inpatient data are sum of data collected by two separated systems (TDI pilot project and Institute of Psychiatry and Neurology (IPiN) system). There is an overlap between the systems in inpatient data and due to that double counting is not eliminated between systems. Double counting is eliminated independently in each data collection system (TDI pilot project and IPiN systems). Caution should be made when interpreting.

(13) In 2010 came into implementation a new national information system implying methodological changes particularly in the registration criteria. Caution should be made when comparing 2010 data with previous years.

(14) 13 treatment units in prison are also covered from 2002, but data were not included to ensure consistency with previous years. Data for 2004 includes data for outpatient clients and clients treated in prison. Data for outpatient clients was validated, however data collection for prison clients was still in the process of development, thus figures are underestimated. From next year the process of data validation for prison clients will be implemented.

(15) Number of units covered by the data collection increased from 66 in 1998 to 166 in 2004. Since 2004 the number of units has decreased.

(16) Data before 2000 were available but they were not included because of a major change in the reporting system, which would have biased the comparisons of data over time. The system is under development and every year new units are added to the information system. 2007 and 2008 data from prisons treatment centres do not cover new clients.

(17) Data on new treatment demands were not available before 2003. 2010 data are from 1st of April 2009 to 31st March 2010.

See also ‘General notes for interpreting data’ on the Explanatory notes and help page.


Reitox national reports 2012 — Standard table 3 and 34, Table TDI.

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Page last updated: Friday, 26 April 2013