Refractory Ventricular Fibrillation Treated with Double Simultaneous Defibrillation: Pilot Study

Table 1

Comparisons of baseline characteristics between the DSiD-treated and conventionally treated groups.

	DSiD (N = 17)	No DSiD (N = 21)	value
Age, median (range), yr	60 (18–83)	65 (18–93)	0.487
Male, n (%)	14 (82.4)	17 (81.0)	1.000
Witnessed by laypersons, n (%)	14 (82.4)	18 (85.7)	1.000
Bystander CPR, n (%)	10 (58.8)	9 (42.9)	0.515
Time from call to EMS arrival, minutes;median (IQR)	8.5 (6.8–11)	7 (4–10)	0.246

CPR: cardiopulmonary resuscitation; EMS: emergency medical system.