Table 1.

Characteristics of study group: sex, age, mechanism of TBI, accident site, type of trauma

	Phase 1		Phase 2		Total		p-value*
	n	%	n	%	n	%
Total	408		325		733
Male	297	73	233	72	530	72	0.804
	Mean	SD	Mean	SD	Mean	SD
Age	48	24	50	22	49	23	0.221
Injury Mechanism	n	%	n	%	n	%
Traffica	144	35	133	41	277	38	0.086
Fall < 3 m	123	30	92	28	215	29
Fall >3 m	45	11	44	14	89	12
Sports activity	43	11	16	5	59	8
Work related	16	4	13	4	29	4
Firearm	5	1	3	1	8	1
Assault	2	0	4	1	6	1
Other/Unknown	30	7	20	6	50	7
Total	408	100	325	100	733	100
Type of trauma	n	%	n	%	n	%
Blunt	355	87	294	90	649	89	0.435
Penetrating	29	7	18	6	47	6
Unknown	24	6	13	4	37	5
Total	408	100	325	100	733	100
Accident Site	n	%	n	%	n	%
Home	108	26	79	24	187	26	0.032
Outdoor/sports	78	19	47	14	125	17
Road/public area	168	41	153	47	321	44
Workplace	32	8	12	4	44	6
Unknown	22	5	34	10	56	8
Total	408	100	325	100	733	100

Legend: SD Standard Deviation

*The tests were applied only on known values

^aTraffic contains: bicycle rider, motor vehicle driver/occupant, pedestrian injurred in traffic accident