All-cause mortality for non-elective admissions to Addenbrookes
| Trend (quarter) | Spells | Actual deaths (%) | Expected (%) | Relative risk 95% CI |
| Pre-EAU | ||||
| 2003–Q2 | 23 571 | 489 (2.1) | 480.1 (2.0) | 101.9 (93 to 111.3) |
| 2003–Q3 | 24 542 | 435 (1.8) | 480.9 (2.0) | 90.5 (82.2 to 99.4) |
| 2003–Q4 | 23 741 | 482 (2.0) | 529.5 (2.2) | 91 (83.1 to 99.5) |
| 2004–Q1 | 24 442 | 529 (2.2) | 554.3 (2.3) | 95.4 (87.5 to 103.9) |
| 2004–Q2 | 24 330 | 434 (1.8) | 493.5 (2.0) | 87.9 (79.9 to 96.6) |
| 2004–Q3 | 24 800 | 426 (1.7) | 483 (2.0) | 88.2 (80 to 97) |
| 2004–Q4 | 24 649 | 448 (1.8) | 550.1 (2.2) | 81.4 (74.1 to 89.3) |
| 2005–Q1 | 24 386 | 483 (2.0) | 576.8 (2.4) | 83.7 (76.4 to 91.5) |
| 2005–Q2 | 26 847 | 418 (1.6) | 513 (1.9) | 81.5 (73.9 to 89.7) |
| 2005–Q3 | 27 696 | 440 (1.6) | 491.6 (1.8) | 89.5 (81.3 to 98.3) |
| 2005–Q4 | 27 112 | 390 (1.4) | 521.5 (1.9) | 74.8 (67.5 to 82.6) |
| 2006–Q1 | 27 277 | 418 (1.5) | 568.3 (2.1) | 73.6 (66.7 to 81) |
| Post-EAU | ||||
| 2006–Q2 | 26 579 | 352 (1.3) | 447.6 (1.7) | 78.6 (70.6 to 87.3) |
| 2006–Q3 | 26 981 | 384 (1.4) | 453.2 (1.7) | 84.7 (76.5 to 93.7) |
| 2006–Q4 | 26 530 | 431 (1.6) | 509.6 (1.9) | 84.6 (76.8 to 92.9) |
| 2007–Q1 | 27 607 | 461 (1.7) | 537.2 (1.9) | 85.8 (78.2 to 94) |
| 2007–Q2 | 26 785 | 367 (1.4) | 473.1 (1.8) | 77.6 (69.8 to 85.9) |
| 2007–Q3 | 27 670 | 371 (1.3) | 464.5 (1.7) | 79.9 (71.9 to 88.4) |
| 2007–Q4 | 28 317 | 445 (1.6) | 564 (2.0) | 78.9 (71.7 to 86.6) |
| 2008–Q1 | 28 608 | 437 (1.5) | 581.9 (2.0) | 75.1 (68.2 to 82.5) |
| 2008–Q2 | 28 998 | 369 (1.3) | 483.6 (1.7) | 76.3 (68.7 to 84.5) |
| 2008–Q3 | 29 624 | 377 (1.3) | 463.9 (1.6) | 81.3 (73.3 to 89.9) |
| 2008–Q4 | 30 176 | 414 (1.4) | 533.6 (1.8) | 77.6 (70.3 to 85.4) |
| 2009–Q1 | 30 310 | 460 (1.5) | 574.1 (1.9) | 80.1 (73 to 87.8) |
| 2009–Q2 | 31 320 | 367 (1.2) | 532.4 (1.70) | 68.9 (62.1 to 76.4) |
EAU, emergency assessment unit.