Figure 4From: The number of prehospital defibrillation shocks and 1-month survival in patients with out-of-hospital cardiac arrestOptimal cutoff time point from the call until arrival at the hospital, which was the best predictor of 1-month survival. The 1-month survival rate and mean number of defibrillation shocks in the two groups divided by the signal detection analysis are also shown.Back to article page