Table 2.

Significant injuries by sex for trapped casualties

	Female	%	Male	%	P value
Pelvic ring fracture with blood loss >20%	23	0.8	48	1.0	0.394
Blood loss >20% (%)	114	4.0	161	3.3	0.139
Tension pneumothorax (%)	26	0.9	92	1.9	<0.0001
Multiple spinal fractures (%)	429	14.9	649	13.3	0.54
Dens fracture (%)	85	3.0	79	1.6	<0.0001
Spinal compression fracture grade 2/3 (%)	66	2.3	75	1.5	0.022
Unstable spinal fracture (%)	276	9.6	441	9.0	0.43
Spinal cord injury (%)	218	7.6	308	6.3	0.038

Injuries are not mutually exclusive; patients may have more than one qualifying injury.