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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Resuscitation. 2012 Jan 20;83(7):900–906. doi: 10.1016/j.resuscitation.2012.01.007

Table 2.

CPP (coronary perfusion pressure) calculations for defibrillation attempts with and without ROSC (return of spontaneous circulation). CPP given as mean ± SEM

Defibrillation Attempt p-value
ROSC (n = 75) No ROSC (n = 241)
Threshold CPP (mmHg) 31.0 ± 1.5 13.7 ± 1.1 < 0.001
Delta CPP (mmHg) 17.3 ± 1.9 5.5 ± 0.8 < 0.001
Cumulative Delta CPP (mmHg) 26.6 ± 1.5 10.7 ± 1.0 < 0.001
Dose CPP (mmHg^2) 5,974.0 ± 472.3 2,219.6 ± 248.7 < 0.001
Cumulative Dose CPP (mmHg^2) 9,731.0 ± 638.2 5700.7 ± 389.9 < 0.001