Perceived importance and quality of pre-hospital data. (A) The extent to which the ED physicians emphasise the pre-hospital observations documented in the pre-hospital records of the ground ambulance and HEMS services when writing the admission note in the hospital patient record, rated from 0 (not preferred) to 6 (highly preferred). (B). Perceived quality of pre-hospital information from ground ambulance and HEMS, according to the ED physicians. Rated from 0 (not preferred) to 6 (highly preferred).