Table 3:

Frequency of articles reviewing processes with unacceptable Failure modes

No.	Process or Activity	Number of articles in which the process had unacceptable failure mode
1	injection or drug administration	10
2	Suction	6
3	inserting or removing the endotracheal tube	6
4	transferring the patient from operation room to ward or vice versa	4
5	Pressure ulcer	3
6	Operations of medical devices	3