| 0 to 365 days | Hazard up to 28 daysa | Hazard 29 to 365 daysb | ||
---|---|---|---|---|---|
Covariate reference group* | n/N (%) | n/N (%) | Adjusted hazard ratio (95% CI) | n/N (%) | Adjusted hazard ratio (95% CI) |
Age (years) | |||||
 18–64 | 383/743 (52%) | 218/743 (29%) | 0.95 (0.79, 1.13) | 165/525 (31%) | 0.67 (0.55, 0.82) |
 65–74 | 677/974 (70%) | 377/974 (39%) | 1.02 (0.88, 1.18) | 300/597 (50%) | 0.93 (0.79, 1.10) |
 75–84 | 903/1194 (76%) | 495/1194 (41%) | 0.95 (0.83, 1.09) | 408/699 (58%) | 0.82 (0.71, 0.96) |
 85–94* | 638/764 (84%) | 341/764 (45%) | 1 | 297/423 (70%) | 1 |
Sex | |||||
 Male* | 1331/1746 (76%) | 763/1746 (44%) | 1 | 568/983 (58%) | 1 |
 Female | 1270/1929 (66%) | 668/1929 (35%) | 0.94 (0.84–1.04) | 602/1261 (48%) | 1.14 (1.01–1.28) |
Charlson comorbidity index | |||||
 0α | 0 | 0 | NA | 0 | NA |
 1–2* | 277/713 (39%) | 118/713 (17%) | 1 | 159/595 (27%) | 1 |
 3–4 | 392/665 (59%) | 181/665 (27%) | 1.35 (1.07, 1.71) | 211/484 (44%) | 1.23 (1.00, 1.52) |
 5+ | 1932/2297 (84%) | 1132/2297 (49%) | 2.59 (2.13, 3.15) | 800/1165 (69%) | 2.09 (1.75, 2.50) |
Admission type | |||||
 Non-Elective* | 2095/2418 (87%) | 1168/2418 (48%) | 1 | 927/1250 (74%) | 1 |
 Elective | 506/1257 (40%) | 263/1257 (21%) | 0.58 (0.50–0.68) | 243/994 (24%) | 0.42 (0.36–0.50) |
Admitted from | |||||
 Home* | 1452/2282 (64%) | 831/2282 (36%) | 1 | 621/1451 (43%) | 1 |
 Hospital | 1121/1359 (82%) | 588/1359 (43%) | 0.85 (0.77–0.95) | 533/771 (69%) | 0.86 (0.76–0.98) |
 Other and unknown | 28/34 (82%) | 12/34 (35%) | 0.95 (0.54–1.68) | 16/22 (73%) | 1.91 (1.16–3.16) |
Cancer site | |||||
 Breast (C50) | 120/534 (22%) | 60/534 (11%) | 0.34 (0.26, 0.45) | 60/474 (13%) | 0.23 (0.17, 0.31) |
 Digestive organs (C15–26) | 708/867 (82%) | 399/867 (46%) | 1.11 (0.98, 1.26) | 309/468 (66%) | 0.98 (0.85, 1.13) |
 Lung (C30–32, 34, 37, 38) | 458/489 (94%) | 265/489 (54%) | 1.20 (1.04, 1.39) | 193/224 (86%) | 1.44 (1.22, 1.70) |
 Urinary tract (C64–68) | 139/314 (44%) | 71/314 (23%) | 0.7 (0.55, 0.90) | 68/243 (28%) | 0.6 (0.46, 0.78) |
 Other | 1176/1471 (80%) | 636/1471 (43%) | 1 | 540/835 (65%) | 1 |