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Abstrato

Missing Variables in Major Trauma Registry of Navarre

Ali Ali B, Fortún M and Belzunegui T

Trauma registries collect information on trauma patients according to inclusion criteria and help establish protocols to improve care. For a valid analysis of data, registries should be accurate, reliable and complete. The aim was to identify and assess the variables with the highest percentage of missing values in our registry and implement measure to avoid them.

Method: All cases registered at Major Trauma Registry of Navarra (MTRN), who met inclusion criteria (NISS>15) from 1 January 2010 until 31 December 2014 were selected and the optimal level of completeness was set ≥ 90% for each of the variables. The frequency and percentage of all variables included in the trauma registry was calculated.

Results: 834 patients were evaluated and was observed that the variables with the highest percentage of missing values were base excess (66%), normalization of time base excess (89%) and response times: Time from call to the resource activation (64%), Time from alarm to arrival at scene (80%), Time from arrival to departure from the scene (86%) and Time from alarm to hospital arrival (64%).

Conclusion: The level of completeness of the variables of MTRN is greater than 90% in all variables except response times and base excess. It must raise awareness about the importance of collecting these variables.