The MTS registry can collect and report on over 200 data points related to a single trauma event. The Hub team based at Waikato manages this data ensuring rigorous data quality standards are applied so that reporting is comprehensive and robust.
|Event||An event refers to the occurrence of a single injury incident|
|Admission||An admission refers to a period of occupancy of a patient in an inpatient bed excluding Emergency Department|
|Expected||Expected calculations are based on population demographics supplied by Statistics New Zealand to District Health Boards|
|Incidence||Incidence rates of injury are calculated as events per 100 000 people per year resulting in hospital admission|
|Length of Stay (LOS)||The length of stay of a patient is the length of time from admission date to final discharge date|
|Mechanism||The mechanism is the means by which injury occurs. E.g. road traffic crash (RTC)|
|Observed||Observed is the analysis based on the data in the MRTS registry|
|Population demographics||The population demographics of the hospital have been used as a comparison|
|Outcome||Outcome is alive or dead at discharge|
|Severity||The Injury Severity Score (ISS)1 2 is calculated from Abbreviated Injury Scale (AIS) for single injuries 3 4 5. A score of greater or equal to 13 is reported as a major trauma case a score of less than 13 is reported as a minor trauma case. AIS is the international standard for injury scoring.|
|Trauma Injury Severity Score (TRISS)||The TRISS is the predicted probability of survival. This is calculated for major trauma events.|
|Type of injury||Blunt Penetrating or Burn|
1 Baker SP, O'Neill B, Haddon W, Long WV, The Injury Severity Score: Development and Potential Usefulness, Proceedings, Association for the Advancement of Automotive Medicine 18: 58-74, 1974. Baker SP, O'Neill B, The Injury Severity Score: An Update, J Trauma 16: 882-885, 1976. 3 Rating the severity of Tissue Damage. The Abbreviated Injury Scale, JAMA 215(2):277-280, 1971. Petrucelli E, States JD, Hames LN, The Abbreviated Injury Scale: Evolution, Usage and Future Adaptability Accid. Anal.& Prev. 13: 29-35, 1982. Champion HR, Copes WS, Sacco WJ, et al. The Major Trauma Outcome Study: Establishing National Norms for Trauma Care, J Trauma 30 (11), 1356-1365, 1990.