Quality improvement in preoperative assessment by implementation of an electronic decision support tool.

Objectives: To evaluate the impact of the electronic decision support (eDS) tool 'PReOPerative evaluation' (PROP) on guideline adherence in preoperative assessment in statutory health care in Salzburg, Austria.

Materials And Methods: The evaluation was designed as a non-randomized controlled trial with a historical control group (CG). In 2007, we consecutively recruited 1363 patients admitted for elective surgery, and evaluated the preoperative assessment.