The study protocol specifies testing using multiple reagents which are similar for both the CORA and TG 5000 systems. Tests are run in duplicate on blood samples taken from patients undergoing treatment for injuries and trauma. Following the protocol defined in CLSI Standard EP09-A2, equivalence between the two systems will be demonstrated if the conclusions from the Standard Section 7, Interpreting Results and Comparing to Internal Performance Criteria, are found to be acceptable.