Table 3.

Distribution of crash and victim related characteristics compared for place of death and as a whole among motorcycle user fatalities in East Azerbaijan, Iran.

Variables	Pre-hospital death		Death after hospital admission		Total death	P-value
	Percentage (columnar)	95% CI∗  of percentage	Percentage (columnar)	95% CI of percentage
Victim's gender
Male	97	95.8-98.1	96	94.4-97	96	0.14
Female	2.87	1.9-4.2	4.14	3-5.6	3.54
Victim's age group
<15	3.92	2.8-5.4	2.59	1.8-3.8	3.22	0.046
15-30	56.91	53.6-60.2	53.16	50-56.3	54.94
30-45	22.35	19.7-25.2	22.8	20.3-25.6	22.59
45-60	10.37	8.5-12.6	14.3	12.2-16.7	12.44
>60	6.45	5-8.3	7.15	5.7-9	6.82
Cause of death
Head Trauma	75.23	72.2-78	77.02	74.3-79.6	76.17	0.028
Bleeding	5.88	4.5-7.7	4.87	3.7-6.4	5.34
Multiple Fractures	8.87	7.1-11	7.35	5.9-9.2	8.07
Mixed causes	8.76	7-10.8	7.45	6-9.3	8.07
Other	1.04	0.5-2	2.07	1.3-3.2	1.58
Not defined yet	0.23	0.1-0.9	1.24	0.7-2.2	0.76
Body organs injured
Head & face	87.9	85.6-89.9	87	84.7-88.9	87.45	0.5
Neck	5.7	4.4-7.5	5.3	4-6.9	5.49	0.66
Chest & abdomen	19.5	17-22.3	27.8	25.1-30.8	23.91	<0.001
Back spine	2	1.2-3.1	1.4	0.09-2.4	1.68	0.4
Upper limbs	6	4.6-7.8	4.1	3-5.6	5	0.07
Lower limbs	11.3	9.3-13.5	10.2	8.5-12.3	10.76	0.49
Pelvis	5.9	4.5-7.6	11.3	9.4-13.4	8.7	<0.001
Counterpart crash vehicle type
No vehicle	18.24	15.8-21	21.01	18.6-23.7	19.71	<0.001
Cars	29.1	26.2-32.2	39.86	36.8-43	34.77
Motorcycles	10.28	8.4-12.5	9.94	8.2-12	10.1
Buses & minibuses	3.93	2.8-5.4	2.48	1.7-3.7	3.17
Pickups	13.74	11.6-16.2	11.59	9.7-13.8	12.61
Camionets camions or trailers	19.28	16.8-22.1	7.35	5.9-9.2	12.99
Other vehicles	5.43	4.1-7.2	7.76	6.2-9.6	6.66
Crash location
Outer city	66.71	63.5-69.8	52.56	49.4-55.7	59.29	<0.001
Inner city	33.29	30.2-36.5	47.44	44.3-50.6	40.71

∗: confidence interval.