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Table 4 Psychiatric diagnoses (ICD-10 code: F00-F99) given to patients in psychiatric treatment in the first year after admission into treatment for DUDsa

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

  No prescription of benzodiazepines 1 year after admission Prescription of benzodiazepines 1 year after admission in moderate-high doses <584 DDDb Prescription of benzodiazepines 1 year after admission in very high doses ≥584 DDDb
N = 3791 N = 1825 N = 431
  N % (95 % CI) N % (95 % CI) N % (95 % CI)
Mental and behavioural disorders due to psychoactive substance use (ICD-10 code: F10–F19) 1821 48.0 (46.4-49.6) 1127 61.8 (59.5-64.0) 259 60.1 (55.3-64.7)
Schizophrenia and related disorders (ICD-10 code: F20–F29) 362 9.5 (8.6-10.5) 226 12.4 (10.9-14.0) 47 10.9 (8.2-14.3)
Mood disorders (ICD-10 code: F30–F39) 473 12.5 (11.5-13.6) 217 11.9 (10.5-13.5) 31 7.2 (5.0-10.2)
Neurotic, stress-related, and somatoform disorders (ICD-10 code: F40–F48) 629 16.6 (15.4-17.8) 296 16.2 (14.6-18.0) 63 14.6 (11.5-18.4)
Disorders of adult personality and behaviour (ICD-10 code: F60–F69) 390 10.3 (9.4-11.3) 194 10.6 (9.3-12.2) 32 7.4 (5.2-10.4)
Behavioural and emotional disorders with onset in childhood (ICD-10 code: F90–F98) 266 7.0 (6.2-7.9) 53 2.9 (2.2-3.8) 4 0.9 (0.3-2.5)
Other mental disorders (ICD-10 code: F00–F09, F50–F59, F70–F89, F99)c 253 6.7 (5.9-7.5) 104 5.7 (4.7-6.9) 26 6.0 (4.1-8.8)
Totald 4194   2253   462  
  1. Abbreviations: DUDs, drug use disorders; DDD, Defined Daily Dose
  2. aInformation obtained from the Danish Psychiatric Central Research Register
  3. bIntake of 1 DDD daily of benzodiazepines in a 1 year period results in a total intake of 365 DDD
  4. cF00–F09: Organic, including symptomatic, mental disorders; F50–F59: Behavioural syndromes associated with physiological disturbances and physical factors; F70–79: Mental retardation; F80–89: Disorders of psychological development; F99: Unspecified mental disorder
  5. dIt is possible for one patient to be given more than one type of psychiatric diagnosis