From: Fall risk as a function of time after admission to sub-acute geriatric hospital units
Day 2–7 | Day 8–14 | Day 15–21 | Day 22–28 | >28 days | |
---|---|---|---|---|---|
Person-days at risk (n) | 30,666 | 33,219 | 28,565 | 11,641 | 5,366 |
Falls (n) | 403 | 311 | 249 | 100 | 52 |
Incidence rate ratio (95 % confidence interval) b | |||||
Gender | |||||
Women | 1.00a | 1.00a | 1.00a | 1.00a | 1.00a |
Men | 1.45 (1.13;1.85) | 1.17 (0.88;1.55) | 1.49 (1.10;2.02) | 1.61 (1.01;2.57) | 0.97 (0.54;1.76) |
Age (increase of one year) | 1.00 (0.98;1.02) | 1.00 (0.98;1.01) | 1.01 (0.99;1.03) | 0.97 (0.95;1.00) | 0.97 (0.94;1.01) |
Diagnosis | |||||
All except femoral fracture and stroke | 1.00a | 1.00a | 1.00a | 1.00a | 1.00a |
Femoral fracture | 0.80 (0.60;1.06) | 0.64 (0.46;0.89) | 0.75 (0.53;1.05) | 0.93 (0.55;1.56) | 1.18 (0.59;2.37) |
Stroke | 1.24 (0.88;1.74) | 1.14 (0.78;1.66) | 1.36 (0.89;2.07) | 2.06 (1.13;3.76) | 2.24 (1.10;4.58) |
Barthel Index | |||||
≥ 60 | 1.00a | 1.00a | 1.00a | 1.00a | 1.00a |
< 60 | 2.22 (1.73;2.85) | 2.42 (1.83;3.19) | 2.30 (1.66;3.18) | 1.78 (1.04;3.05) | 1.07 (0.50;2.29) |
Orientation | |||||
Fully oriented | 1.00a | 1.00a | 1.00a | 1.00a | 1.00a |
Disoriented | 1.99 (1.57;2.53) | 1.66 (1.28;2.14) | 1.54 (1.13;2.11) | 1.41 (0.85;2.33) | 1.18 (0.58;2.40) |