Quality control and improvement project: Assessment and analysis of processes and outcome in trauma emergency room and major trauma patients at the Aarau trauma center (cantonal hospital) with regard to initial emergency management, hospital processes and short- and long-term (1-and 2-year) outcome of patients (subjective and objective). Comparison of processes and outcome pre- and post- project initiative. Benchmarking with the literature and by participation in the German and Swiss Trauma registry each.

Registry of all emergency patients arriving at Aarau trauma center following trauma with regard to possibly injury related pre- and inhospital demographic factors, process variables and outcome Parameters.

Inclusion Criteria:

• major trauma: New Injury Severity Score (NISS) >=8
• for longer-term outcome: only patients firm in German language and able to respond to the postal questionnaire by themselves

Exclusion Criteria:

• no Trauma
• injury >24h before arrival at Aarau Cantonal Hospital
• NISS<8
• for longer-term outcome: patients not firm in German language and not able to respond to the postal questionnaire by themselves (dead, unavailable, refusal to participate, dementia, age<16 years ecc.); a categorising compilation of cases is supposed to exclude any possible study bias

All emergency patients treated at Aarau Cantonal Hospital following trauma (<24h postinjury) with suspected major trama