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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Crit Care Med. 2012 Dec;40(12):3135–3139. doi: 10.1097/CCM.0b013e3182656976

Table 3.

Logistic Regression Model for Poor Neurological Status at Hospital Discharge

Characteristic Odds Ratio 95% Confidence Interval p-value
Age (years) 1.02 0.991–1.049 0.185
Time to ROSC (minutes) 1.121 1.065–1.181 <0.001
Shock 1.24 0.539–2.854 0.612
Bystander CPR 0.509 0.215–1.203 0.124
Initial Rhythm PEA/Asystole 4.975 1.953–12.673 0.001
Maximum PaO2 (mmHg) 1.485 1.032–2.136 0.033

The odds ratio for maximum PaO2 is for an increment of every 100 mmHg above 54 mmHg. Poor neurological status is defined as CPC ≥ 3. ROSC = Return of Spontaneous Circulation; CPR = Cardiopulmonary Resuscitation; PEA = Pulseless Electrical Activity; Shock = requirement of vasoactive medications to maintain a mean arterial blood pressure greater than or equal to 65 mmHg.