title: [Heavy use of psychiatric hospitals and the use of outpatient services in Switzerland].
abstract: OBJECTIVE
  To identify user groups of inpatient psychiatry.
  
  
  METHODS
  Retrospective cohort study over two years (n = 1295). Identification of patient subgroups based on the number of inpatient admissions and inpatient days by means of latent class analysis.
  
  
  RESULTS
  Two patient groups were identified: 28 % heavy users and 72 % ordinary users. Heavy users were often diagnosed with schizophrenia and they also showed increased use of outpatient services.
  
  
  CONCLUSIONS
  Integrated service models should be developed and tested for patients with schizophrenia and HU.
authors.affiliation: Psychiatrische Dienste Aargau AG, Baden, Schweiz.
authors.forename: Niklaus
authors.initials: N
authors.lastname: Stulz
authors.forename: Daniel
authors.initials: D
authors.lastname: Bielinski
authors.forename: Uli M
authors.initials: UM
authors.lastname: Junghan
authors.forename: Urs
authors.initials: U
authors.lastname: Hepp
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015331:Cohort Studies; D003156:Community Mental Health Services / Q000706:statistics & numerical data*; D003430:Cross-Sectional Studies; D019033:Delivery of Health Care, Integrated / Q000706:statistics & numerical data; D005260:Female; D006300:Health Services Misuse / Q000706:statistics & numerical data; D006301:Health Services Needs and Demand / Q000592:standards; D006778:Hospitals, Psychiatric / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology* / Q000628:therapy*; D008875:Middle Aged; D009313:National Health Programs / Q000706:statistics & numerical data*; D012189:Retrospective Studies; D012559:Schizophrenia / Q000453:epidemiology / Q000628:therapy; D013557:Switzerland; D014600:Utilization Review / Q000706:statistics & numerical data; D055815:Young Adult