Table 3 Number and percentage of mortality in combination groups.

	Flail chest			Other traumatic injuries
	Group size	Number dead	Mortality %	Group size	Number dead	Mortality %
Total	262	54	20.6	118 211	2473	2.0
Other minor	159	19	11.9	104 651	783	0.7
Other major	33	11	33.3	2158	400	18.5
TBI and other minor	52	13	25.0	11 050	1123	10.2
TBI and other major	18	11	61.1	352	167	47.4

Bilateral flail and crush chests are included.

*Other stands for extrathoracic injuries; minor or major categories of “other” diagnoses were selected on the basis of AIS severity: minor AIS⩽3, major AIS ⩾4. TBI was defined on the basis of the first row in Barell matrix.