Table 2

Power Study to Determine Number of Patients Needed in AIS Study.

	TXA		Control
	Blood Loss	Standard Deviation	Blood Loss	Standard Deviation	Sample Size Needed
Intraoperative Blood Loss	1072 mL	±425 mL	1420 mL	±644 mL	58
Total Blood Transfused	1253 mL	±884 mL	1784 mL	±733 mL	55