Benzodiazepine prescription for patients in treatment for drug use disorders: a nationwide cohort study in Denmark, 2000–2010

Table 7 Types of benzodiazepines prescribed to previous and new users in the first year after admission for treatment for DUDs

	Prescription of benzodiazepines to previous users in the first year after admission				Prescription of benzodiazepines to new users in the first year after admission
	Moderate-high doses <584 DDD^a N = 4113		Very high doses ≥584 DDD^a N = 2026		Moderate-high doses <584 DDD^a N = 2415		Very high doses ≥584 DDD^a N = 151
Benzodiazepine type	N	%	N	%	N	%	N	%
Alprazolam	398	9.7	287	14.2	200	8.2	32	21.2
Bromazepam	303	7.4	450	22.2	101	4.2	30	19.9
Chlordiazepoxide	692	16.8	189	9.3	624	25.8	20	13.2
Clonazapam	739	18.0	252	12.4	305	12.6	14	9.3
Diazepam	1224	29.8	914	45.1	484	20.0	50	33.1
Flunitrazepam	82	2.0	201	9.9	46	1.9	18	11.9
Nitrazepam	756	18.4	1087	53.7	393	16.3	110	72.8
Oxazepam	1284	31.2	329	16.2	692	28.7	43	28.5
Other	186	4.5	188	9.3	104	4.3	13	8.6
Total^b	5664	137.7	3897	192.3	2949	122.1	330	218.5
Multiple	1202	29.2	1257	62.0	449	18.6	101	66.9

Abbreviations: DUDs, drug use disorders; DDD, Defined Daily Dose
^aIntake of 1 DDD daily of benzodiazepines in a 1 year period results in a total intake of 365 DDD
^bIt is possible for one patient to be prescribed more than one type of benzodiazepine

ISSN: 1471-244X