12.07.2015 Views

This annual report - Taranaki District Health Board

This annual report - Taranaki District Health Board

This annual report - Taranaki District Health Board

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ACCESS TO MENTAL HEALTH SERVICES: LATEADOLESCENCEThe following section uses the National Minimum Dataset to explore the most commonreasons for hospitalisation with a mental health diagnosis in young people aged 15–24years. In this section, the unit of analysis is the number of hospital admissions, rather thanthe number of individuals accessing services, with the coding system used to assigndiagnoses being ICD-10-AM.In addition, data from the Project for the Integration of Mental <strong>Health</strong> Data (PRIMHD) isused to explore access to mental health outpatient, community and inpatient services inyoung people with the following diagnoses: Schizophrenia and other psychotic disorders Personality disorders Depression, bipolar disorder and other mood disorders Substance-related disorders (alcohol, cannabis, and other substances).These diagnoses were selected as they were the most commonly assigned to young whowere recorded as accessing mental health services in the PRIMHD. In this second section,the units of analysis are the number of young people accessing services, and the <strong>annual</strong>number of contacts and inpatient bed nights per individual, with the coding system used toassign diagnoses being DSM-IV.Data Source and MethodsInformation on the Project for the Integration of Mental <strong>Health</strong> Data (PRIMHD) and the DSM-IV codes used inthis analysis is provided in the Access to Mental <strong>Health</strong> Services: Introduction section on Page 286.Note 1: Because PRIMHD data is configured in a very different way to that contained in the National MinimumDataset (hospital admissions) the reader is urged to review the methods section on Page 286, in order tobecome familiar with the strengths and limitations of PRIMHD.Note 2: The information presented in this year’s <strong>report</strong> differs from that presented in the NZCYES’ 2009Reports, because of differences in the data collections (PRIMHD vs. the Mental <strong>Health</strong> Information NationalCollection (MHINC)) and the coding systems used to code mental health diagnoses (in PRIMHD the datareceived were coded in DSM-IV, whereas in MHINC diagnoses were coded using ICD-10-AM).In addition, the section below provides additional information on the National Minimum Dataset, which hasbeen used to review mental health inpatient admissions for those aged 15–24 years.DefinitionHospital admissions for young people aged 15–24 years with an ICD-10-AM mental health diagnosisData SourceNumerator: National Minimum Dataset: Hospital admissions in young people aged 15–24 years with a primarydiagnosis of a Mental or Behavioural Disorder (ICD-10-AM F00–F99). Admissions with an EmergencyMedicine specialty code in the range M05–M08 on discharge were excluded. Specific diagnoses included ICD-10-AM F10 or Z72.1 (Mental <strong>Health</strong> Issues due to Alcohol or Alcohol Use); F12 (Mental <strong>Health</strong> Issues due toCannabis Use); F17 or Z72.0 (Mental <strong>Health</strong> Issues due to Tobacco or Tobacco Use); F11, F13, F14, F15,F16, F18, F19 or Z72.2 (Mental <strong>Health</strong> Issues due to Other Specified Drugs); F20 (Schizophrenia); F21–F29(Schizotypal/Delusional Disorders); F31 (Bipolar Affective Disorder); F32 or F33 (Depression); F30, F34, F38,or F39 (Other Mood Disorders); F40 or F41 (Anxiety Disorders); F42 (Obsessive Compulsive Disorder); F43(Stress Reaction/Adjustment Disorder); F50 (Eating Disorders); F60–F69 (Personality/Behaviour Disorders).Denominator: Statistics NZ Projected PopulationNotes on InterpretationNote 1: The limitations of the National Minimum Dataset are discussed in Appendix 3. The reader is urged toreview this Appendix before interpreting any analyses based on hospital admission data. In particular, due toinconsistent uploading of Emergency Department (ED) cases to the NMDS, all admissions with an ED healthspecialty code on discharge have been excluded (see Appendix 3 for a more detailed discussion).Note 2: Whereas the inpatient data derived from PRIMHD refers to the number of bed nights utilised by youngpeople with various mental health diagnoses, the section on mental health inpatient admissions uses hospitaladmissions as the unit of analysis (i.e. a hospital admission is counted only once, irrespective of the number ofbed nights utilised, with the same client potentially being counted several times, if they are admitted on anumber of occasions with a mental health diagnosis).Access to Mental <strong>Health</strong> Services in Young People - 396

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