Time duration and delay in different segments from onset to care among patients with STEMI (min)
| All patients with STEMI | Thrombolytic therapy patients | Non-thrombolytic therapy patients | P value* | |
| Symptoms onset-to-arrival time | ||||
| Time duration, median (IQR) | 210 (110–660) | 140 (70–240) | 360 (130–1364) | <0.01 |
| Delay, % (no. of cases/total number) | 67.1 (4903/7312) | 54.6 (1669/3057) | 76.0 (3234/4255) | <0.01 |
| Arrival-to-ECG time | ||||
| Time duration, median (IQR) | 5 (0–17) | 4 (0–10) | 6 (0–24) | <0.01 |
| Delay, % (no. of cases/total number) | 31.4 (2299/7312) | 23.6 (722/3057) | 37.1 (1577/4255) | <0.01 |
| ECG-to-thrombolytic therapy time | ||||
| Time duration, median (IQR) | – | 38 (20–65) | – | – |
| Delay, % (no. of cases/total number) | – | 85.8 (2623/3057) | – | – |
| Arrival-to-thrombolytic therapy time | ||||
| Time duration, median (IQR) | – | 47 (27–80) | – | – |
| Delay, % (no. of cases/total number) | – | 67.8 (2072/3057) | – | – |
| Total time | ||||
| Time duration, median (IQR) | 260 (145–710)† | 210 (135–320) | 395 (157–1419)‡ | – |
*Comparison between thrombolytic therapy patients and non-thrombolytic therapy patients.
†Representing symptoms onset-to-thrombolytic therapy time among those who received thrombolytic therapy but symptoms onset-to-ECG time among those who did not receive thrombolytic therapy.
‡Representing onset-to-ECG time.
STEMI, ST-segment elevation myocardial infarction.