Table 1 Characteristics of AD and non-AD cohorts with incident hip fracture
Characteristics | AD Cohort (n = 6266) | Non-AD Cohort (n = 6266) | P-Value | |
|---|---|---|---|---|
Age at hip fracture, mean ± SD | 84.6 ± 5.7 | 84.6 ± 5.7 | Matched 1.00 | |
Sex | Matched 1.00 | |||
Female, n (%) | 4815 (76.8%) | 4815 (76.8%) | ·· | |
Male, n (%) | 1451 (23.2%) | 1451 (23.2%) | ·· | |
University Hospital District | 0.29 | |||
Helsinki, n (%) | 1817 (29.0%) | 1791 (28.6%) | ·· | |
Kuopio, n (%) | 1230 (19.6%) | 1195 (19.1%) | ·· | |
Oulu, n (%) | 882 (14.1%) | 839 (13.4%) | ·· | |
Tampere, n (%) | 1354 (21.6%) | 1381 (22.0%) | ·· | |
Turku, n (%) | 983 (15.7%) | 1060 (16.9%) | ·· | |
Year of hip fracture | 0.99 | |||
2005, n (%) | 67 (1.1%) | 73 (1.2%) | ·· | |
2006, n (%) | 242 (3.9%) | 235 (3.8%) | ·· | |
2007, n (%) | 357 (5.7%) | 358 (5.7%) | ·· | |
2008, n (%) | 562 (9.0%) | 563 (9.0%) | ·· | |
2009, n (%) | 603 (9.6%) | 606 (9.7%) | ·· | |
2010, n (%) | 769 (12.3%) | 787 (12.6%) | ·· | |
2011, n (%) | 895 (14.3%) | 869 (13.9%) | ·· | |
2012, n (%) | 904 (14.4%) | 894 (14.3%) | ·· | |
2013, n (%) | 788 (12.6%) | 783 (12.5%) | ·· | |
2014, n (%) | 592 (9.4%) | 595 (9.5%) | ·· | |
2015, n (%) | 487 (7.8%) | 503 (8.0%) | ·· | |
Median acute care hospital stay, days (IQR) | 4 (3–7) | 5 (3–7) | 0.001 | |
Discharged to community hospital, n (%) | 5486 (87.6%) | 5483 (87.5%) | 0.93 | |
Median community hospital stay, days (IQR) a | 35(16–84) | 29 (15–65) | < 0.001 | |
Median total hospital stay, median (IQR) | 34 (15–81) | 29 (15–63) | < 0.001 | |
Readmission within 30-days, n (%) | 672 (10.7%) | 836 (13.3%) | < 0.001 | |
Readmission within 90-days, n (%) | 1059 (16.9%) | 1300 (20.7%) | < 0.001 | |
Died within 30-days, n (%) | 246 (3.9%) | 200 (3.2%) | 0.03 | |
Died within 90-days, n (%) | 705 (11.3%) | 478 (7.6%) | < 0.001 | |
Diabetes, n (%) | 737 (11.8%) | 774 (12.4%) | 0.32 | |
Stroke, n (%) | 546 (8.7%) | 646 (10.3%) | 0.003 | |
CVD, n (%) | 3018 (48.2%) | 3152 (50.3%) | 0.017 | |
Mental disorders, n (%) | 1464 (23.4%) | 801 (12.8%) | < 0.001 | |
Asthma/COPD, n (%) | 539 (8.6%) | 573 (9.1%) | 0.28 | |
Epilepsy, n (%) | 165 (2.6%) | 135 (2.2%) | 0.09 | |
Highest occupational social class | 0.005 | |||
Managerial/ Professional, n (%) | 1170 (18.7%) | 1135 (18.1%) | ·· | |
Office worker, n (%) | 608 (9.7%) | 595 (9.5%) | ·· | |
Farming/ forestry, n (%) | 1113 (17.8%) | 1258 (20.1%) | ·· | |
Sales/industry/ cleaning, n (%) | 2648 (42.3%) | 2503 (39.9%) | ·· | |
Unknown, n (%) | 671 (10.7%) | 701 (11.2%) | ·· | |
Did not respond, n (%) | 56 (0.9%) | 74 (1.2%) | ·· | |
Median duration of AD diagnosis, years (IQR) | 2.8 (1.3–4.4) | NA | NA | |
Required level of assistance at discharge | < 0.001 | |||
Nearly independent, n (%) | 143 (2.3%) | 325 (5.2%) | ·· | |
Intermittent need, n (%) | 802 (12.8%) | 1142 (18.2%) | ·· | |
Recurrent need, n (%) | 2708 (43.2%) | 2795 (44.6%) | ·· | |
Nearly continuous, n (%) | 1387 (22.1%) | 1033 (16.5%) | ·· | |
Continuous, n (%) | 946 (15.1%) | 708 (11.3%) | ·· | |
Missing data, n (%) | 280 (4.5%) | 263 (4.2%) | ·· | |