Table 1 Baseline characteristics of the whole study population and divided by LoS categories, presented as number (percentage), or mean (standard deviation)
All (n = 73,551) | LoS 2–4 days (n = 8,982) | LoS 5–8 days (n = 21,723) | LoS 9–12 days (n = 19,913) | LoS 13–23 days (n = 20,123) | LoS 24 + days (n = 2,810) | |
|---|---|---|---|---|---|---|
Age, mean (SD) | 83.2 (7.8) | 82.1 (8.6) | 82.7 (8.0) | 83.2 (7.5) | 83.9 (7.4) | 83.9 (7.2) |
Women, n (%) | 50,928 (69.2) | 6,133 (68.3) | 15,331 (70.6) | 13,902 (69.8) | 13,747 (68.3) | 1,815 (64.6) |
ASA score, n (%) | ||||||
1 | 3,286 (4.5) | 631 (7.0) | 1,193 (5.5) | 847 (4.3) | 559 (2.8) | 56 (2.0) |
2 | 27,195 (37.0) | 3,324 (37.0) | 8,323 (38.3) | 7,849 (39.4) | 6,847 (34.0) | 852 (30.3) |
3 | 38,334 (52.1) | 4,410 (49.1) | 10,898 (50.2) | 10,091 (50.7) | 11,304 (56.2) | 1,631 (58.0) |
4–5 | 4,736 (6.4) | 617 (6.9) | 1,309 (6.0) | 1,126 (5.7) | 1,413 (7.0) | 271 (9.6) |
CCI, n (%) | ||||||
0 | 31,974 (43.5) | 3,868 (43.1) | 9,728 (44.8) | 9,083 (45.6) | 8,232 (40.9) | 1,063 (37.8) |
1 | 15,992 (21.7) | 2,377 (26.5) | 4,866 (22.4) | 3,987 (20.0) | 4,193 (20.8) | 569 (20.3) |
2 | 10,632 (14.5) | 1,218 (13.6) | 3,124 (14.4) | 2,885 (14.5) | 2,991 (14.9) | 414 (14.7) |
3 | 5,889 (8.0) | 678 (7.6) | 1,655 (7.6) | 1,522 (7.6) | 1,736 (8.6) | 298 (10.6) |
4+ | 9,064 (12.3) | 841 (9.4) | 2,350 (10.8) | 2,436 (12.2) | 2,971 (14.8) | 466 (16.6) |
Complication at the hospital | 10,722 (14.6) | 385 (4.3) | 1,716 (7.9) | 2,512 (12.6) | 5,078 (25.2) | 1,031 (36.7) |
Walking ability before admission, n (%) | ||||||
Independent | 45,432 (61.8) | 3,940 (43.9) | 12,203 (56.2) | 13,692 (68.8) | 13,719 (68.2) | 1,878 (66.8) |
Assisted outside | 6,415 (8.7) | 1,012 (11.3) | 1,904 (8.8) | 1,496 (7.5) | 1,755 (8.7) | 248 (8.8) |
Independent inside | 15,105 (20.5) | 2,508 (27.9) | 5,063 (23.3) | 3,463 (17.4) | 3,556 (17.7) | 515 (18.3) |
Assisted inside | 4,692 (6.4) | 1,038 (11.6) | 1,864 (8.6) | 897 (4.5) | 771 (3.8) | 122 (4.3) |
Not able to walk | 1,907 (2.6) | 484 (5.4) | 689 (3.2) | 365 (1.8) | 322 (1.6) | 47 (1.7) |
Coming from (at admission to hospital), n (%) | ||||||
Independent living | 52,856 (71.9) | 3,340 (37.2) | 12,809 (59.0) | 16,561 (83.2) | 17,665 (87.8) | 2,481 (88.3) |
Care home or similar | 17,815 (24.2) | 5,330 (59.3) | 8,193 (37.7) | 2,623 (13.2) | 1,532 (7.6) | 17,815 (24.2) |
Other health care facility | 2,880 (3.9) | 312 (3.5) | 721 (3.3) | 729 (3.7) | 926 (4.6) | 2,880 (3.9) |
4-month mortality, n (%) | 9,200 (12.5) | 1,599 (17.8) | 3,019 (13.9) | 2,013 (10.1) | 2,184 (10.9) | 385 (13.7) |
30-days readmission, n (%) | 9,389 (12.8) | 960 (10.7) | 2,490 (11.5) | 2,549 (11.5) | 2,893 (14.4) | 497 (17.7) |
4-month readmission, n (%) | 18,638 (25.3) | 1,729 (19.3) | 4,683 (21.6) | 5,197 (26.1) | 6,073 (30.2) | 956 (34.0) |
Cause of readmission, n (%) * | ||||||
Infection | 834 (4.5) | 79 (4.6) | 207 (4.4) | 223 (4.3) | 283 (4.7) | 42 (4.4) |
Tumours | 865 (4.7) | 79 (4.6) | 197 (4.2) | 258 (5.0) | 288 (4.8) | 43 (4.5) |
Endocrine | 478 (2.6) | 41 (2.4) | 109 (2.3) | 138 (2.7) | 166 (2.7) | 24 (2.5) |
Psychological incl dementia | 374 (2.0) | 29 (1.7) | 64 (1.4) | 86 (1.7) | 166 (2.7) | 29 (3.0) |
Neurological | 397 (2.1) | 38 (2.2) | 90 (1.9) | 115 (2.2) | 129 (2.1) | 25 (2.6) |
Cardiovascular | 2,681 (14.4) | 171 (9.9) | 585 (12.5) | 784 (15.2) | 981 (16.2) | 160 (16.8) |
Respiratory | 1,768 (9.5) | 174 (10.1) | 442 (9.5) | 490 (9.5) | 559 (9.2) | 103 (10.8) |
Injuries and trauma | 3,235 (17.4) | 386 (22.4) | 838 (18.0) | 848 (16.4) | 1,008 (16.7) | 155 (16.3) |
Check-up/follow-up visit | 294 (1.6) | 30 (1.7) | 80 (1.7) | 57 (1.1) | 106 (1.8) | 21 (2.2) |
Complications NOS | 1,906 (10.3) | 233 (13.5) | 582 (12.5) | 543 (10.5) | 484 (8.0) | 64 (6.7) |
Other or NOS | 5,739 (30.9) | 467 (27.0) | 1,473 (31.6) | 1,632 (31.5) | 1,880 (31.1) | 287 (30.1) |