The goal of this observational study is to learn about who is at risk of developing chronic pain in a major trauma population with at least one limb fracture.

The main question it aims to answer is: which risk factors predict which patients will experience chronic pain following traumatic limb injury.

Participants will answer a baseline questionnaire and two outcome questionnaires about their pain at 3 and 6 months after their injury.

Inclusion Criteria:

Aged ≥ 16 Polytrauma patient (multiple injuries affecting multiple body regions or organ systems) Admitted to a UK Major Trauma Centre Minimum of 1 radiologically confirmed traumatic limb fracture Have capacity to provide informed consent to participate in the study Have sufficient proficiency in English to provide the required data or be willing to use an approved interpreting service for data collection Recruited within 4 weeks of injury

Exclusion Criteria:

No traumatic limb fracture Patients with a primary or treatment amputation in relation to their limb injury Pathological limb fractures Prisoners No fixed abode

Adult major trauma patients with a minimum of one limb fracture treated at the East Midlands Major Trauma Centre based at Nottingham University Hospitals NHS Trust