Table 2.
Treatment delay and ischemic time in various patient groups based on observed data
| Characteristic | Number | Missing (%) | Treatment delaya | Missing (%) | Ischemic timeb |
|---|---|---|---|---|---|
| All patients | 1017 | 139 (13.7 %) | 64 (51–84) | 330 (32.4 %) | 148 (105–266) |
| Interhospital transfer for PCI | 1009 | ||||
| - yes | 199 | 25 (21.6 %) | 77 (58–110) | 76 (38.2 %) | 173 (118–274) |
| - no | 810 | 110 (13.6 %) | 62.0 (49–79) | 248 (30.6 %) | 145 (101–219) |
| First ECG | 874 | ||||
| - General practitioner | 25 | 2 (8.0 %) | 86 (68–113) | 4 (16.0 %) | 199 (161–341) |
| - Ambulance | 707 | 55 (7.8 %) | 62 (49–78) | 184 (26.0 %) | 141 (100–215) |
| - Hospital | 142 | 10 (7.0 %) | 77 (60–111) | 49 (34.5 %) | 189 (119–324) |
PCI percutaneous coronary intervention, ECG electrocardiogram
aTreatment delay was defined in minutes as ranging from first electrocardiogram with ST-elevation to start of the percutaneous coronary intervention and is not corrected for the effects of other independent variables
bIschemic time was defined in minutes as ranging from symptom onset to start of the percutaneous coronary intervention