Factors predicting prolonged door-to-needle times
| Factor | cOR | 95% CI | p Value | aOR | 95% CI | p Value |
|---|---|---|---|---|---|---|
| Incorrect ECG interpretation | 30.0 | 4.1 to 220.7 | 0.001 | 14.3 | 1.9 to 110.9 | 0.011 |
| Inappropriate triage | 24.5 | 3.3 to 180.2 | 0.001 | 10.4 | 1.3 to 82.6 | 0.027 |
| Multiple referrals | 7.4 | 4.1 to 13.3 | 0.001 | 5.9 | 3.2 to 10.9 | 0.001 |
| Need for resuscitation | 5.3 | 0.7 to 40.6 | 0.076 | 5.5 | 0.7 to 45.6 | 0.110 |
| Evolving AMI | 4.5 | 0.6 to 35.2 | 0.115 | 3.8 | 0.5 to 31.6 | 0.220 |
| Delayed drug preparation | 2.4 | 0.3 to 19.6 | 0.410 | 1.8 | 0.2 to 17.9 | 0.630 |
| Awaiting investigations | 1.3 | 0.2 to 12.1 | 0.798 | 1.7 | 0.2 to 17.4 | 0.670 |
| Unusual presentation | 0.3 | 0.02 to 5.3 | 0.410 | 0.2 | 0.01 to 15.9 | 0.180 |
aOR, adjusted OR; cOR, crude OR; MI, acute myocardial infarction.