Table 3.

In-hospital mortality and length of stay in the JTDB and NTDB

	Unmatched patients			Matched patients
	JTDB(n=22 535)	NTDB(n=112 060)	P values	JTDB (n=14 960)	NTDB (n=14960)	P values
In-hospital mortality	1721 (7.6)	6823 (6.1)	<0.001	633 (4.2)	861 (5.8)	<0.001
Disposition at discharge
Transferred	10 576 (50.9)	35 713 (33.5)	<0.001	6770 (47.3)	6513 (47.0)	<0.001
Home	9755 (46.9)	66 358 (62.3)		7233 (50.6)	7268 (52.4)
Other	452 (2.2)	836 (0.8)		304 (2.1)	83 (0.6)
Hospital length of stay (days)*	18.0 (7.0–35.0)	5.0 (3.0–9.0)	<0.001	17.0 (7.0–32.0)	5.0 (3.0–8.0)	<0.001
ICU stay (days)*	3.0 (1.0–11.0)	3.0 (2.0–7.0)	<0.001	2.0 (1.0–8.0)	3.0 (2.0–6.0)	<0.001

Data are presented as number (%).

*Median (IQR).

ICU, intensive care unit; JTDB, Japanese Trauma Data Bank; NTDB, National Trauma Data Bank.