Table 3

Power study to determine number of patients needed for NMS group

TXA

Amicar

Control


Blood loss

Standard Deviation

Blood Loss

Standard Deviation

Blood Loss

Standard Deviation

Sample Size Needed


Intra-op blood loss

1408 mL

+/- 605 mL

-

-

2690 mL

+/- 1266 mL

14


Intra-op blood loss

1976 mL

+/- 860 mL

1117 mL

+/- 718 mL

-

-

30


Total blood transfused

808 mL

+/- 531 mL

-

-

1391 mL

+/- 723 mL

34


Verma et al. BMC Surgery 2010 10:13   doi:10.1186/1471-2482-10-13

Open Data