Table 1.
Cumulative 6-Month Resource Use and Costs
| Coronary Computed Tomography Angiography (n = 2,073) |
Standard Care (n = 2,073) |
Difference (95% Confidence Intervals) |
p Value∗ | |
|---|---|---|---|---|
| Investigation | ||||
| Invasive coronary angiography | 17.5 | 16.3 | 1.2 (−1.0 to 3.5) | 0.28 |
| Coronary revascularization | ||||
| Percutaneous coronary intervention | 8.9 | 7.1 | 1.8 (−0.4 to 4.0) | 0.11 |
| Coronary artery bypass graft surgery | 1.9 | 1.8 | 0.1 (−0.1 to 0.0) | 0.73 |
| Total hospital length of stay, days | 0.3 ± 0.8 | 0.3 ± 0.8 | 0.0 (−0.1 to 0.0) | 0.86 |
| Component costs, USD | ||||
| Coronary computed tomography angiography | 372 ± 163 [416] | 0 ± 16 [0] | 372 (363 to 378) | <0.001 |
| Outpatient services | 219 ± 655 [0] | 192 ± 584 [0] | 27 (−10 to 66) | 0.16 |
| Day-case services | 890 ± 1,196 [0] | 827 ± 1,189 [0] | 63 (−10 to 136) | 0.09 |
| Inpatient services | 379 ± 1,906 [0] | 379 ± 1,864 [0] | 1 (−113 to 116) | 0.98 |
| Medications | 52 ± 67 [0] | 50 ± 70 [0] | 1 (−3 to 6) | 0.50 |
| Total 6-month costs, USD | $1,900 ± $2,642 [$552] | $1,438 ± $2,581 [$86] | $462 ($303 to $621) | <0.001 |
Values are % or mean ± SD [median], unless otherwise specified.
∗
Student t test.