Table 3.
Healthcare resource use at 1 year
| Variable | Pre-hospital rule-out strategy N = 434 | ED rule-out strategy N = 429 | P-value |
|---|---|---|---|
| One additional ambulance transport N (%) | 63 (14.7%) | 29 (6.8%) | <0.001 |
| Two or more additional ambulance transports N (%) | 13 (3.0%) | 9 (2.1%) | 0.40 |
| One ED visit N (%) | 76 (17.5%) | 360 (83.9%) | <0.001 |
| Two or more ED visits N (%) | 25 (5.8%) | 69 (16.1%) | <0.001 |
| One GP consultation N (%) | 301 (69.4%) | 138 (32.2%) | <0.001 |
| Two or more GP consultations N (%) | 133 (30.6%) | 57 (13.3%) | <0.001 |
| One outpatient clinic visit N (%) | 74 (17.1%) | 94 (21.9%) | 0.071 |
| Two or more outpatient clinic visits N (%) | 101 (23.3%) | 122 (28.4%) | 0.083 |
| CT cardiac N (%) | 29 (6.7%) | 44 (10.3%) | 0.059 |
| MRI cardiac N (%) | 4 (0.9%) | 4 (0.9%) | 0.99 |
| Echocardiography N (%) | 93 (21.4%) | 94 (21.9%) | 0.86 |
| Treadmill N (%) | 64 (14.7%) | 83 (19.3%) | 0.072 |
| SPECT N (%) | 10 (2.3%) | 12 (2.8%) | 0.65 |
| Other additional tests N (%) | 137 (31.6%) | 135 (31.5%) | 0.98 |
| CAG N (%) | 28 (6.5%) | 28 (6.5%) | 0.96 |
| PCI N (%) | 18 (4.1%) | 14 (3.3%) | 0.49 |
| CABG N (%) | 1 (0.2%) | 1 (0.2%) | 0.99 |
| Hospitalization N (%) | 58 (13.4%) | 58 (13.5%) | 0.95 |
| Length of hospitalization (days), median (IQR) | 0 (0–0) | 0 (0–0) | 0.99 |
CABG, coronary artery bypass grafting; CAG, coronary angiography; CT, computed tomography; ED, emergency department; GP, general practitioner; IQR, interquartile range; MRI, magnetic resonance imaging; PCI, percutaneous coronary intervention.