Fig. 1
From: Emergency medical services utilization in acute stroke in Qatar - an observational cohort study

Yearly trends in EMS and non-EMS transportation for suspected stroke patients during the study period
The EMS (Emergency Medical Services) group is defined as patients who utilize ambulance services as a mode of transportation to the hospital at stroke onset, while the non-EMS group is defined as patients who utilize any other mode of transportation. IS: Ischemic stroke, TIA: Transient Ischemic Attack, ICH: Intracerebral Hemorrhage, CVST: Cerebral venous sinus thrombosis