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. Author manuscript; available in PMC: 2009 Dec 9.
Published in final edited form as: Resuscitation. 2008 Oct 31;79(3):398–403. doi: 10.1016/j.resuscitation.2008.07.015

Figure 1.

Figure 1

Flow diagram of study population

This figure illustrates how exclusion criteria were applied to determine the final study population: in-hospital cardiac arrest patients with return of spontaneous circulation and an initial rhythm of ventricular fibrillation

ICD: International Classification of Diseases; VF: ventricular fibrillation; LOS: length of stay; IHCA: in-hospital cardiac arrest; OHCA: out-of hospital cardiac arrest; ROSC: return of spontaneous circulation