Cost-effectiveness summaries for patients managed by non-interventional cardiologists to 3 years postrandomisation
| Angiography (n=149) | SPECT (n=128) | Cardiac MRI (n=133) | Stress ECHO (n=128) | |
|---|---|---|---|---|
| Mean survival (years) | 2.95 | 2.93 | 2.9 | 2.92 |
| (95% CI) | (2.89 to 2.99) | (2.85 to 2.98) | (2.81 to 2.97) | (2.85 to 2.98) |
| Mean difference vs CA | − | −0.02 | −0.05 | −0.03 |
| (95% CI) | − | (−0.11 to 0.06) | (−0.15 to 0.04) | (−0.11 to 0.05) |
| Mean QALYs | 2.23 | 2.25 | 2.17 | 2.31 |
| (95% CI) | (2.14 to 2.31) | (2.16 to 2.33) | (2.07 to 2.26) | (2.22 to 2.40) |
| Mean difference vs CA | − | 0.02 | −0.06 | 0.09 |
| (95% CI) | − | (−6.92 to 1.90) | (−5.50 to 3.45) | (−5.45 to 3.71) |
| Mean discounted costs (£) | 4936 | 4216 | 4723 | 4780 |
| (95% CI) | (3681 to 6665) | (3635 to 4799) | (4068 to 5381) | (4136 to 5467) |
| Mean difference vs CA | − | −719 | −212 | −156 |
| (95% CI) | (−2527 to 695) | (−2007 to 1258) | (−1990 to 1353) | |
| Probability cost-effective at £20K per QALY | 0.75 | 0.29 | 0.85 | |
| Probability cost-effective at £30K per QALY | 0.72 | 0.27 | 0.86 |
CA, coronary angiography; SPECT, single photon emission CT; QALYs, quality-adjusted life-years.