Quality of basic life support when using different commercially available public access defibrillators

Table 3 BLS with the use of an AED in scenarios of persistent ventricular fibrillation: optimized sequence of actionsThe duration of the scenario was 300 seconds

	Time until 1st chest compression [seconds]	Time until completion of 1st rhythm analysis [seconds]	Duration of rhythm analysis [seconds]	Time until 1st shock [seconds]	Interval between 1st shock and start of 2nd rhythm analysis [seconds]	Perishock pause [seconds]	No-flow fraction
(A) Heartsave PAD	35 ± 2^B,C,E,G	34 ± 2 ^B,C,E	14 ± 1 ^B,C,E,F	47 ± 2 ^F	137 ± 1 ^B	3 ± 1 ^D,+	0.36 ± 0.01^{B,C,D,E,F,G,H,+}
(B) Philips HS1	31 ± 2^{A,D,E,G,H,K,+}	28 ± 2 ^A,D,E,G,H,+	14 ± 2 ^A,C,E,F,G	30 ± 2 ^E,G,H,+	140 ± 0 ^A	10 ± 1 ^E,H,+	0.34 ± 0.01^{A,C,D,E,F,G,H,+}
(C) Lifeline VIEW	41 ± 1 ^A,+	35 ± 1 ^A,E,+	11 ± 2 ^A,B,D,E,G,H	39 ± 1 ^D,+	154 ± 1	18 ± 1 ^F,G,+	0.36 ± 0.01^{A,B,D,E,F,G,H,+}
(D) Lifepak CR Plus	28 ± 2^B,E,G,H,K,+	27 ± 2 ^B,E,G,H,+	10 ± 1 ^B,C,E,G,H	38 ± 3 ^C,E,+	125 ± 1 ^F,G,H	1 ± 1 ^A,+	0.32 ± 0.01^{A,B,C,E,F,H,+}
(E) PowerHeart G5	34 ± 1^A,B,D,G,H,+	30 ± 2 ^A,B,C,D,G,+	12 ± 1 ^{A,B,C,D,F,G,H}	32 ± 1 ^B,D,G,H,+	185 ± 2	13 ± 2 ^B,G,H,+	0.33 ± 0.01^{A,B,C,D,F,G,H,+}
(F) Fred Easy Life	17 ± 2⁺	49 ± 1⁺	15 ± 1 ^A,B,E	51 ± 2 ^A,+	124 ± 1 ^D,G,H	19 ± 1 ^C,G,+	0.35 ± 0.01^{A,B,C,D,E,G,H,+}
(G) AED Plus	33 ± 2^A,B,D,E,H,+	27 ± 2 ^B,D,E,H,+	10 ± 1 ^B,C,D,E,H	31 ± 2 ^B,E,H,+	125 ± 1 ^D,F,H	18 ± 1 ^C,E,F,+	0.37 ± 0.02^A,B,C,E,F,H
(H) Cardiolife AED 2100	27 ± 1^B,D,E,G,K,+	23 ± 0 ^B,D,G,+	8 ± 1 ^C,D,E,G	26 ± 1 ^B,E,G,+	127 ± 2 ^D,F,G	11 ± 1 ^B,E	0.35 ± 0.02^{A,B,C,D,E,F,G}
(K) BLS without AED	25 ± 2^B,D,H						0.26 ± 0.01

Values are the mean ± standard deviation. A lack of statistical significance (p > 0.01) in comparison with a specific model is indicated by the identifying letter (A) – (I). ⁺p < 0.01 against the respective parameter in the scenarios with a standard sequence of actions