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Table 3 Time from initial emergency 999 call to HEMS activation

From: A novel method of non-clinical dispatch is associated with a higher rate of critical Helicopter Emergency Medical Service intervention

  Overall HPD NCP p-value
Minutes from 999 to HEMS activation, median, IQR 7 (4–17) 7 (4–17) 7 (4–18) 0.3
Minutes from 999 to HEMS on scene, median, IQR 36 (26–51) 36 (26–51) 36 (26–52) 1
  1. HEMS helicopter emergency medical service, HPD HEMS paramedic dispatcher, NCP non-clinically trained dispatcher, IQR interquartile range