An aggregate score of five (sensitivity 86.6%, specificity 72.2%) was identified as the trigger score to enact a rapid response team call (See Table 3). This would allow for early recognition and intervention in 86.6% of children developing critical illness in acute care.
Based on the results of the Receiver Operating Characteristic Curve (See Figure 1) and logistical regression, the Toronto PEW System Score was the strongest predictor of cardio-pulmonary arrest in this patient population. The comparison of the three ROC curves showed the Toronto PEW System Score demonstrated a significantly greater amount of accuracy (p