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Autism and additional conditions in HES, September 2025

Analysis showing the comparison of autistic and non-autistic patients with other conditions from the Hospital Episodes Statistics (HES) data collection.

Request received

Using data from the HES data collection, produce analysis on the frequency of hospitalisation of both autistic and non-autistic patients with the following conditions:

  • Personality Disorder

  • Severe Mental Illness (SMI)

  • Depression and Anxiety

  • Self harm/suicide

Our response

In response we have provided analysis from the HES Admitted Patient Care (APC) dataset for the 12 month period from April 2024 to March 2025. Data is provided at England level and covers the following conditions:

  • Personality Disorder

  • Severe Mental Illness (SMI)

  • Depression and Anxiety

  • Self-harm and self-poisoning

The analysis includes discharges in the 12-month period, average length of stay and readmissions. Data is available for autistic and non-autistic people as well as for children and young people aged under 18 years and adults aged 18 years and over.

Download the data

Last edited: 18 September 2025 12:56 pm