Table 1. Trauma mechanism.

	All patients	HEMS	GEMS
Traffic—Car	13,811	33.4%	25.3%
Traffic—Motorbike	7,525	21.4%	12.3%
Traffic—Bicycle	4,053	7.5%	8.5%
Traffic—Pedestrian	4,000	4.4%	9.7%
High fall > 3m	8,828	16.8%	18.2%
Low fall < 3m	7,351	8.6%	17.6%
Others	4,064	7.9%	8.3%