Table 1

Outcome 1 week after injury

	Fiscal year
	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016
Outcome
Returned home	230	219	232	265	229	273	314	284	307	319
Hospitalization	1006	1054	1127	1323	1312	1385	1553	1624	1456	1398
Discharged	137	153	177	204	153	149	131	187	213	219
Transferred to a higher level medical institution	37	25	38	35	53	57	48	36	50	67
Transferred to other institution	48	45	41	49	70	74	94	69	83	78
Death in the ER	22	18	27	25	19	22	11	15	17	8
Death after hospitalization	12	12	16	11	15	18	12	11	12	12
Number of death
All	34	30	43	36	34	40	23	26	29	20
Traumatic intracranial hemorrhage	11	12	12	15	13	11	9	15	10	10
Cardiovascular and lung injury	5	1	4	4	3	8	4	3	6	4
Abdominal organ injury	0	1	2	3	2	3	1	1	1	1
Pelvic fracture	1	0	3	1	0	0	2	2	3	0
Proximal femur fracture	2	0	3	1	2	3	3	0	0	1
Other fracture	0	1	0	2	0	1	0	0	2	0
Severe multiple trauma	14	11	19	10	13	12	4	4	7	4
Spinal cord injury	1	4	0	0	1	2	0	1	0	0
NUH	16	8	13	12	11	22	13	15	13	9
Non-NUH	18	22	30	24	23	18	10	11	16	11
Age 0–14 years	0	0	0	1	0	0	0	0	0	0
Age 15–64 years	19	16	24	15	16	19	8	10	15	10
Age>64 years	15	14	19	20	18	21	15	16	14	10
Mortality (%)
All	2.3	2	2.6	1.9	1.8	2	1.1*	1.2*	1.4*	1*
NUH	17.4	9	18.6	9.4	7.6	14.8	8.2	10.9	10.3	7.6
Non-NUH	1.3	1.5	1.9	1.3	1.3	1	0.5*	0.5*	0.8*	0.6*
Age 0–14 years	0	0	0	2.2	0	0	0	0	0	0
Age 15–64 years	3.9	3.3	4.7	2.8	3.1	3.6	1.5*	1.9	3	2.1
Age>64 years	1.5	1.4	1.7	1.5	1.4	1.5	1	1	0.9*	0.6*

We did not analyze patients aged 0–14 years old because the number of deaths was 0 except for 2010.
*p<0.05 versus mortality for years 2007–2011 by multivariable logistic regression model.
NUH, transported to Nagasaki University Hospital; non-NUH, transported to non-Nagasaki Univeristy Hospital.