Effect of detection time interval for out-of-hospital cardiac arrest on outcomes in dispatcher-assisted cardiopulmonary resuscitation: A nationwide observational study

A longer DTI in DA-CPR showed significantly lower good neurological recovery in adult patients with witnessed OHCA. A 30 s delay in DTI was associated with a 3% decrease of a good CPC score. The DTI effect on good CPC was significant in metropolis and Rural province while not in megacity region.