Table 4.

Preventable factors by location and process

	System inadequacy	Inadequate treatment or management	Inadequate diagnosis	Inadequate technique	Others
Prehospital	30 (52.6)	13 (22.8)	2 (3.5)	2 (3.5)	10 (17.5)
Interhospital transfer	3 (50)	3 (50)	0 (0)	0 (0)	0 (0)
Emergency department	1 (1.4)	64 (90.1)	0 (0)	6 (8.5)	0 (0)
Operation	0 (0)	0 (0)	0 (0)	1 (100)	0 (0)
Intensive care unit	0 (0)	6 (66.7)	0 (0)	1 (11.1)	2 (22.2)
General ward	0 (0)	1 (100)	0 (0)	0 (0)	0 (0)

Values are presented as number (%).