Table 1

Data fields and data definitions

Time of injury	First time recorded—either time of injury or time of initial emergency call
BP	First recorded systolic BP in hospital
Pulse rate	First recorded pulse rate in hospital
RR	First recorded RR in hospital
TXA given	TXA use—yes/no
Location of TXA given	Location of patient when TXA was given—prehospital, ED or other
Time that TXA was given	Time of start of TXA infusion
Probability of survival (Ps)	Ps calculated by the standard TARN method8
Use of blood products within 6 hours	Any products transfused—yes/no