Mean cumulative total costs (£) from index admission to the 5-year follow-up
| SITA (n=1554) | BITA (n=1548) | BITA vs SITA | |
| Index | 12 485 | 13 312 | 827 (261 to 1392; 0.004) |
| Year 1 | 14 370 | 15 548 | 1178 (503 to 1854; 0.001) |
| Year 2 | 15 214 | 16 342 | 1128 (419 to 1837; 0.002) |
| Year 3 | 15 919 | 17 127 | 1209 (471 to 1947; 0.001) |
| Year 4 | 16 669 | 17 878 | 1209 (436 to 1981; 0.002) |
| Year 5 | 17 480 | 18 629 | 1149 (330 to 1968; 0.006) |
SITA, single internal thoracic artery; BITA, bilateral internal thoracic artery.