Level of influence	Continuity of injury	Degree of injury	Contents
(A time-point of report)	Continuity of injury	Degree of injury	Contents
Level 0	-	-	There were some errors and failures of drug medicine and medical device, however, which were not performed for patients.
Level 1	none	-	There was no actual harm (there could not be denied to affect some influences on the patients).
Level 2	Temporaly	mild	There was no medical treatment and care (enhancement of patient-observation, mild changes of vital sign, necessity of medical examination to confirm patient safety).