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. Author manuscript; available in PMC: 2016 May 24.
Published in final edited form as: Resuscitation. 2014 Mar 28;85(7):920–926. doi: 10.1016/j.resuscitation.2014.03.044

Table 2.

Characteristics of Witnessed Arrests

Characteristics 1–8 years old (n=50) 9–17 years old (n=43) ≥18 years old (n=9260)
No. % No. % No. %
Who Initiated CPR
 EMS personnel 16 32.0 12 27.9 3215 34.7
 First Responder 14 28.0 15 34.9 2781 30.0
 Layperson 20 40.0 16 37.2 3238 35.0
 Unknown 0 0.0 0 0.0 26 0.3
AED Used 12 24.0 10 23.3 2584 27.9
 Unknown 0 0.0 0 0.0 3 0.0
Initial Rhythm
 Asystole 27 54.0 11 25.6 2855 30.8
 PEA 8 16.0 6 14.0 2357 25.5
 Unknown, Unshockable 4 8.0 4 9.3 924 10.0
 VT/VF/Unknown shockable 11 22.0 22 51.2 3120 33.7
 Unknown 0 0.0 0 0.0 4 0.0
ROSC 10 20.0 16 37.2 4077 44.0
Survived 2 4.0 11 25.6 1359 14.7
Good Neurological Function 2 4.0 7 16.3 991 10.7
 Unknown 0 0.0 1 2.3 155 1.7