Legal analysis: There are five categories: (1) Risks caused by patients' physical factors and psychological factors. (2) Risks caused by the particularity of emergency patients. (3) Risks caused by medical behaviors. (4) Risks caused by lack of working conditions and systems. (5) Risks caused by social factors.
legal basis: article 37 of the regulations on the handling of medical accidents, in case of a medical accident dispute, if the parties apply to the health administrative department for handling, they shall submit a written application. The application shall state the basic information, relevant facts, specific requests and reasons of the applicant. The parties concerned may, within one year from the date when they know or should know that their health has been damaged, apply to the administrative department of health for handling medical malpractice disputes.