Characterization of fatal injuries in oil and gas industry-related helicopter accidents in the Gulf of Mexico, 2004–2014

Table 2 Abbreviated Injury Scale (AIS) body region frequency and proportion for injuries of various severities

AIS body region	All injuries^a	Minor (AIS 1)	%	Moderate (AIS 2)	%	Serious or worse (AIS 3+)	%
Head	51	15	31.3	13	27.1	20	41.7
Face	76	71	93.4	5	6.6	0	0.0
Neck	11	10	90.9	0	0.0	1	9.1
Thorax	125	27	21.6	31	24.8	67	53.6
Abdomen	52	24	46.2	17	32.7	11	21.2
Spine	23	0	0.0	9	50.0	9	50.0
Upper extremity	77	57	74.0	19	24.7	1	1.3
Lower extremity	133	81	61.4	32	24.2	19	14.4
External/other	20	5	25.0	0	0.0	15	75.0

^aNumbers don’t always add up from minor, moderate, serious/worse because of unknown injury codes

ISSN: 2197-1714