Table 3 Mean and 95% confidence intervals (CIs) for costs, mortality and QALYs, at 90 days and 10 years for London per 1000 patients
| Â | London | England | DID | ||||
|---|---|---|---|---|---|---|---|
Before | After | Difference | Before | After | Difference | ||
90-day results | |||||||
 Deaths | 100 (80 to 120) | 75 (56 to 92) | −25 (−41 to − 10) | 114 (93 to 133) | 97 (79 to 115) | −17 (−21 to − 12) | −9 (−24 to 6) |
 LOS | 19 (18 to 20) | 16 (15 to 17) | −3 (−4 to −3) | 20 (18 to 21) | 17 (16 to 18) | −3 (−3 to −2) | −1 (−1 to 0) |
 QALYs | 102 (96 to 108) | 110 (88 to 132) | 8 (−14 to 29) | 100 (93 to 106) | 104 (98 to 110) | 4 (4 to 5) | 3.6 (−18 to 25) |
 Costs | £5,705,774 (£4,598,498 to £6,813,049) | £5,949,155 (£5,069,827 to £6,828,484) | £243,381 (−£182,658 to £669,421) | £5,492,431 (£4,394,421 to £6,590,440) | £4,965,785 (£3,956,766 to £5,974,803) | −£526,646 (−£640,210 to −£413,081) | £770,027 (£392,152 to £1,147,902) |
10-year results | |||||||
 Deaths | 386 (316 to 455) | 360 (289 to 432) | −25 (−38 to −13) | 417 (351 to 483) | 401 (329 to 475) | −15 (−44 to 13) | −10 (−37 to 17) |
 QALYs | 2931 (2499 to 3363) | 3473 (3079 to 3867) | 542 (109 to 975) | 2802 (2391 to 3214) | 3287 (2909 to 3665) | 484 (66 to 903) | 58 (−76 to 193) |
 Costs | £39,459,874 (£29,343,049 to £49,576,698) | £38,146,542 (£27,941,281 to £48,351,802) | –£1,313,332 (−£5,315,567 £2,688,902) | £39,818,504 (£29,562,087 to £50,074,921) | £37,490,809 (£27,170,660 to £47,810,958) | –£2,327,696 (−£6,146,669 to £1,491,278) | £1,014,363 (£19,462 to £2,009,264) |
 NMB £20,000 per QALY (per patient) |  |  | £12,163 (£5 to £24,321) |  |  | £12,015 (£338 to £23,692) | £148 (−£2208 to £2504) |