Abstract: Objective To set up a quality evaluating model for forensic autopsy in the medical tangle. Methods 410 cases of forensic autopsy of medical tangles were analysed with principal component analysis through ten key-point variables by SAS 8.1. Results Six key-points that reflect all information were picked out. Based on this, a primary model was established for evaluating and controlling the quality of medicolegal autopsy. Conclusion Principal components that reflect the quality of medicolegal autopsy should be considered for establishing quality management and controlling system.

Key words: principal component analysis, quality evaluating model, medical tangle, autopsy, identifying quality