Implementation of opioid maintenance treatment in prisons in North Rhine-Westphalia, Germany – a top down approach

Table 1 Development of prisoners undergoing Opioid Maintenance Treatment (OMT)

Date	Total number of prisoners at year/cutoff-date	Number of prisoners with opioid use disorder	Number of prisoners in opioid maintenance treatment	Proportion of prisoners with opioid use disorder in opioid maintenance treatment (in %)
2008	17,301	4201	139	3
2009	17,124	n/a	n/a	n/a
Oct., 2010	16,828	4701	751	16
Apr., 2011	17,263	4968	1035	21
Oct., 2011	17,021	4741	1209	26
Apr., 2012	17,410	4722	1297	27
Oct., 2012	17,203	4385	1380	31
Apr., 2013	17,003	4355	1374	32
Oct., 2013	16,710	4294	1413	33
Apr., 2014	16,575	4159	1441	35
Oct., 2014	15,954	3900	1493	38
Apr., 2015	15,926	3905	1500	38
Oct., 2015	15,640	3693	1442	39
Apr., 2016	16,432	3650	1415	39
Oct., 2017	15,781	n/a	1603	n/a

n/a No data were collected in 2009. In 2017, a nationwide survey was used. Since this version differed slightly from the years 2009–2016, the number of prisoners with opioid use disorder is unknown for 2017

ISSN: 1747-597X