[Descriptive examination of inpatient stays of patients with emotionally unstable personality disorder in Austria between 2001 and 2016 with special consideration of age, gender and length of stay].

The prevalence of EUPD within all mental and behavioral disorders was 4.0%. Of all personality and behavioral disorders, as well as specific personality disorders, EUPD had the highest prevalence (65.3% and 79.3%). About four times more women (79.8%) than men (20.2%) received inpatient treatment. Most patients (23.1%) were admitted at the age of 20-24 years. From 40 years of age the number of admissions clearly decreased. The largest percentage of men was found to be in the age group over 45 years (27.0%) and 183-365 inpatient days (27.0%), those of women aged 15-19 (83.4%) and 0 and 14-182 inpatient days (81.4% each). The average length of stay was 13 days for women and 12 days for men. 11.3% of patients left the clinic on the day of admission, 61.2% were treated for 1-13 days, 27.2% for 14-182 days, and 0.2% for 183-365 days.