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Table 2 Effect of a prompting scene timer on scene times for single casualty traumatic incidents attended by HEMS

From: The ticking clock: does actively making an enhanced care team aware of the passage of time improve pre-hospital scene time following traumatic incidents?

GroupNo Scene TimerScene TimerDifference in mins.% ChangeSignificance p
NumberMedian (Mean)IQR (SD)NumberMedian (Mean)IQR (SD)
All Incidents13425.516.314323.
Adults (age > =18)12226.016.313023.
Children (age < 18)12(24.4)(12.1)13(22.5)(7.7)
Non-RTC Mechanism8125.018.58124.
Blunt Trauma12327.017.013224.
Penetrating Trauma118.05.01111.014.0−3.0−37.50.64
GCS > 88922.018.010423.012.8−1.0− 4.50.92
GCS < =845(29.7)(10.1)39(25.2)(8.1)4.515.10.028
RSI4434.013. 04228.
No RSI9019.014.310121.011.0−2.0−10.50.96
Blood products15(27.3)(12.1)15(30.8)(8.8)−3.5−12.90.37
No Blood products11925.016.012823.
No Thoracostomy12325.017.012723.
Helicopter Transport4927.013.58424.
Ambulance Transport8523.019.05921.
  1. RTC road traffic collision, GCS Glasgow coma scale, RSI rapid sequence induction, CPRcardiopulmonary resuscitation;