Fig 2. Cumulative frequency distribution of critical time intervals by type of first medical contact.

(A) Proportion of patients who were treated within certain contact-to-balloon times with guideline-recommended target time of 90 minutes highlighted with dashed line. (B) Proportion of patients who were treated within certain door-to-balloon times with guideline-recommended target time of 60 minutes highlighted with dashed line. EMS indicates emergency medical services, PCI indicates percutaneous coronary intervention.