Table 1. Study sample demographic and clinical variables.

STD, standard deviation; M, male; F, female; GCS, Glasgow Coma Scale; EDH, epidural hematoma; SDH, subdural hematoma; SAH, subarachnoid hemorrhage; IPH, intraparenchymal hemorrhage; IPC, intraparenchymal contusion

Age	Sex	GCS	Hemorrhage
Mean 60.5	M: 60.2% (398/661)	13: 4.8% (32/661)	EDH: 1.4% (9/661)
Range 18-98	F: 39.8% (263/661)	14: 18.8% (124/661)	SDH: 38.3% (253/661)
STD 21.7		15: 76.4% (505/661)	SAH: 27.4% (181/661)
			IPH: 10.1% (67/661)
			IPC: 9.1% (60/661)
			Multiple: 13.8% (91/661)