title: [Correlation of patients age on length of stay and admission rate in a German emergency department].
abstract: BACKGROUND
  This study aimed to examine correlations between patient age, length-of-stay (LOS) in the emergency department (ED), admission rate for various medical disciplines and probabilities of admission in a German interdisciplinary ED.
  
  
  METHODS
  In a retrospective cohort analysis, 7937 patients of the ED were evaluated for age, gender, ED-LOS and admission rate. Rank correlation coefficients were calculated in order to analyze the influence of patient age for each discipline. Statistical tests were performed to evaluate explorative hypotheses on specific discipline influence of patient age.
  
  
  RESULTS
  Patients age significantly differed between the disciplines. There was a strong correlation between patient age and LOS for trauma surgery, visceral surgery and ophthalmology. The correlation between patient age and admission rate was highest in patients with problems regarding internal medicine, trauma surgery and neurology.
  
  
  CONCLUSIONS
  There is a correlation between patients age, LOS and admission rate in the ED.
authors.affiliation: Institut für Biomedizin des Alterns, Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany. katrin.singler@klinikum-nuernberg.de
authors.forename: K
authors.initials: K
authors.lastname: Singler
authors.forename: H J
authors.initials: HJ
authors.lastname: Bail
authors.forename: M
authors.initials: M
authors.lastname: Christ
authors.forename: P
authors.initials: P
authors.lastname: Weis
authors.forename: C
authors.initials: C
authors.lastname: Sieber
authors.forename: H-J
authors.initials: HJ
authors.lastname: Heppner
authors.forename: R
authors.initials: R
authors.lastname: Kob
authors.forename: R
authors.initials: R
authors.lastname: Biber
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D015331:Cohort Studies; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D005858:Germany / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007902:Length of Stay / Q000706:statistics & numerical data*; D008297:Male; D008875:Middle Aged; D010343:Patient Admission / Q000706:statistics & numerical data*; D015995:Prevalence; D012307:Risk Factors; D017678:Sex Distribution; D013223:Statistics as Topic; D014850:Waiting Lists; D055815:Young Adult