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Table 3 Number and proportion of collected Utstein variables, differences in variable definitions, and data collection difficulties

From: Collecting core data in severely injured patients using a consensus trauma template: an international multicentre study

Core data variable Centres collecting this data variable
n (%)
Applied a different definition
n (%)
Data variable was difficult to collect
n (%)
Predictive model variables
Gender 24 (100%) 0 0
In-hospital SBP 24 (100%) 0 1 (4.2%)
Hospital length of stay 24 (100%) 0 1 (4.2%)
Age 24 (100%) 1 (4.2%) 0
Dominating type 24 (100%) 2 (8.3%) 1 (4.2%)
Intention of injury 24 (100%) 2 (8.3%) 3 (12.5%)
Discharge destination 24 (100%) 4 (16.7%) 2 (8.3%)
Mechanism of injury 24 (100%) 7 (29.2%) 3 (12.5%)
Abbreviated Injury Scale 24 (100%) 8 (33.3%) 1 (4.2%)
Survival status 24 (100%) 11 (45.8%) 4 (16.7%)
In-hospital RR 23 (95.8%) 0 6 (25.0%)
Pre-hospital SBP 23 (95.8%) 1 (4.3%) 5 (21.7%)
Pre-hospital GCS 23 (95.8%) 2 (8.7%) 5 (21.7%)
Pre-hospital RR 23 (95.8%) 2 (8.7%) 8 (34.8%)
Pre-hospital GCS motor component 22 (91.7%) 2 (9.1%) 6 (27.3%)
In-hospital GCS 22 (91.7%) 2 (9.1%) 1 (4.5%)
Pre-hospital cardiac arrest 22 (91.7%) 3 (13.6%) 1 (4.5%)
Pre-injury ASA-PS classification 22 (91.7%) 7 (31.8%) 6 (27.3%)
In-hospital GCS motor component 21 (87.5%) 2 (9.5%) 1 (4.8%)
Days on ventilator 21 (87.5%) 5 (23.8%) 5 (23.8%)
INR 20 (83.3%) 3 (15.0%) 1 (5.0%)
GOS score at discharge 20 (83.3%) 3 (15.0%) 5 (25.0%)
Pre-hospital SBP-clinical category a 19 (79.2%)a 1 (5.3%)a 1 (5.3%)a
Arterial base excess 19 (79.2%) 1 (5.3%) 3 (15.8%)
In-hospital RR-clinical category a 18 (75.0%)a 2 (11.1%)a 2 (11.1%)a
Pre-hospital RR-clinical category a 18 (75.0%)a 2 (11.1%)a 4 (22.2%)a
In-hospital SBP-clinical category a 17 (70.8%)a 1 (5.9%)a 1 (5.9%)a
System characteristics
Inter-hospital transfer 24 (100%) 1 (4.2%) 2 (8.3%)
Transportation type 24 (100%) 4 (16.7%) 2 (8.3%)
Type of first key emergency intervention 24 (100%) 4 (16.7%) 2 (8.3%)
Highest level of in-hospital care 23 (95.8%) 1 (4.3%) 4 (17.4%)
Pre-hospital airway management 23 (95.8%) 3 (13.0%) 4 (17.4%)
Trauma team activation 22 (91.7%) 2 (9.1%) 3 (13.6%)
Time from alarm until hospital arrival 22 (91.7%) 2 (9.1%) 5 (22.7%)
Highest level of pre-hospital care provided 22 (91.7%) 4 (18.2%) 4 (18.2%)
Type of pre-hospital airway management 20 (83.3%) 4 (20.0%) 4 (20.0%)
Process mapping data
Time until first CT scan 23 (95.8%) 4 (17.4%) 7 (30.4%)
Time from alarm until arrival at scene 22 (91.7%) 1 (4.5%) 6 (27.3%)
Time until first key emergency intervention 22 (91.7%) 4 (18.2%) 4 (18.2%)
Time until normal arterial base excess 17 (70.8%) 2 (11.8%) 6 (35.3%)
  1. a The clinical categories relate to cases for which continuous data were not submitted.
  2. ASA-PS, American Society of Anesthesiologists Physical Status; EMS, emergency medical service; GCS, Glasgow Coma Scale; GOS, Glasgow Outcome Scale; LOS, length of stay; RR, respiratory rate; SBP, systolic blood pressure