Clinical characteristics of study patients
| OHCA | No OHCA | P3 | |||||||
| All (n=91) | LAD (n=52) | Non-LAD (n=39) | P1 | All (n=929) | LAD (n=443) | Non-LAD (n=486) | P2 | ||
| Demographics | |||||||||
| Age (Yrs) mean (SD) | 63.6 (12.6) | 61.6 (13.0) | 66.3 (11.6) | 0.073 | 65.8 (13.1) | 66.3 (13.7) | 65.3 (12.5) | 0.234 | 0.135 |
| Initial SBP (mm Hg) | |||||||||
| Mean (SD) | 133.5 (35.3) | 136.8 (33.4) | 129.1 (37.5) | 0.307 | 142.7 (32.0) | 144.7 (29.2) | 140.9 (34.3) | 0.074 | 0.009 |
| Gender (male) | 92.3 | 92.3 | 92.3 | 1.000 | 76.7 | 78.8 | 74.9 | 0.162 | <0.001 |
| Medical history | |||||||||
| Current/recent smoker | 23.6 | 28.0 | 17.9 | 0.268 | 25.6 | 24.4 | 26.7 | 0.420 | 0.671 |
| Dyslipidaemia | 35.6 | 32.0 | 40.5 | 0.411 | 42.5 | 40.0 | 44.7 | 0.156 | 0.217 |
| Hypertension | 50.0 | 48.0 | 52.6 | 0.667 | 57.0 | 55.9 | 58.0 | 0.510 | 0.205 |
| Dialysis | 2.3 | 2.0 | 2.7 | 1.000 | 0.2 | 0.2 | 0.2 | 1.000 | 0.039 |
| Diabetes | 23.0 | 26.0 | 18.9 | 0.438 | 21.7 | 22.4 | 21.0 | 0.602 | 0.774 |
| Prior MI | 10.3 | 6.0 | 16.2 | 0.122 | 15.0 | 13.6 | 16.3 | 0.248 | 0.240 |
| Prior heart failure | 3.4 | 2.0 | 5.4 | 0.572 | 3.0 | 4.3 | 1.9 | 0.029 | 0.825 |
| Prior PCI | 6.9 | 4.0 | 10.8 | 0.395 | 12.2 | 10.9 | 13.4 | 0.242 | 0.143 |
| Prior CABG | 3.4 | 0.0 | 8.1 | 0.073 | 2.4 | 1.6 | 3.1 | 0.133 | 0.535 |
| On presentation | |||||||||
| Heart failure | 27.5 | 26.9 | 28.2 | 0.892 | 2.7 | 3.4 | 2.1 | 0.211 | <0.001 |
| Cardiogenic shock | 62.6 | 61.5 | 64.1 | 0.802 | 3.7 | 4.6 | 2.9 | 0.182 | <0.001 |
P1. Comparison between left anterior descending (LAD) and non-LAD within the out-of-hospital cardiac arrest (OHCA) group.
P2. Comparison between LAD and non-LAD within the non-OHCA group.
P3. Comparison between the combined OHCA group and the combined non-OHCA group.
Values are expressed as means or percentages.
CABG, Coronary artery bypass grafting; MI, myocardial infarction; PCI, percutaneous coronary intervention; SBP, systolic blood pressure.