Pulseless electrical activity N=736 | Asystole N=1333 | |||||
---|---|---|---|---|---|---|
OR† | 95% CI | p Value | OR† | 95% CI | p Value | |
Demographic characteristics | ||||||
Age in years | 1.03 | 1.02 to 1.04 | <0.001 | 1.01 | 0.99 to 1.01 | 0.09 |
Male gender | 0.70 | 0.57 to 0.86 | 0.001 | 0.64 | 0.53 to 0.77 | <0.001 |
Race: Whites | (ref) | (ref) | ||||
Blacks | 1.54 | 1.15 to 2.07 | 0.004 | 1.12 | 0.84 to 1.49 | 0.43 |
Asians | 1.54 | 1.07 to 2.22 | 0.02 | 1.53 | 1.10 to 2.13 | 0.01 |
SCA characteristics | ||||||
Location: Public | (ref) | (ref) | ||||
Residence | 2.11 | 1.66 to 2.67 | <0.001 | 3.57 | 2.86 to 4.46 | <0.001 |
NH | 7.29 | 4.52 to 11.8 | <0.001 | 4.41 | 2.67 to 7.29 | <0.001 |
Clinic | 3.21 | 1.69 to 6.08 | <0.001 | 0.75 | 0.22 to 2.56 | 0.65 |
Witnessed SCA | 0.80 | 0.66 to 0.98 | 0.03 | 0.11 | 0.10 to 0.14 | <0.001 |
Received bystander CPR | 0.60 | 0.49 to 0.72 | <0.001 | 0.89 | 0.75 to 1.05 | 0.17 |
Response time in minutes | 1.05 | 0.99 to 1.10 | 0.06 | 1.07 | 1.03 to 1.12 | 0.001 |
Prior inpatient diagnoses | ||||||
MI | 0.82 | 0.61 to 1.09 | 0.17 | 0.80 | 0.61 to 1.04 | 0.09 |
HF | 0.77 | 0.59 to 1.01 | 0.06 | 0.90 | 0.70 to 1.13 | 0.33 |
Stroke | 0.65 | 0.46 to 0.93 | 0.02 | 0.83 | 0.61 to 1.12 | 0.22 |
Atrial fibrillation | 0.72 | 0.53 to 0.98 | 0.04 | 0.62 | 0.47 to 0.83 | 0.001 |
Renal failure | 1.58 | 1.01 to 2.47 | 0.04 | 1.83 | 1.23 to 2.74 | 0.003 |
Lung disease | 1.50 | 1.12 to 2.00 | 0.006 | 1.35 | 1.02 to 1.77 | 0.03 |
†OR from multinomial logistic regression, with VF N=2219 as the reference group.
CPR, cardiopulmonary resuscitation; HF, heart failure; MI; myocardial infarction; NH, Nursing Home; PEA, pulseless electrical activity; (ref), reference group; SCA, sudden cardiac arrest; VF, ventricular fibrillation.