Table 4 Results of univariate analysis of risk factors for fractures after falls.
Dataset | Items | Number of patients | Sig. | ||
|---|---|---|---|---|---|
Fallers with fracture after falls | Non fallers and fallers without fractures after falls | Chi-square test | Logrank test | ||
Development dataset (n = 10,160) | n | 8 | 10,152 | ||
History of falls | 2 | 790 | 0.248 | 0.233 | |
Gait instability | 0 | 858 | 0.823 | 0.292 | |
Agitated confusion | 2 | 596 | 0.122 | 0.162 | |
Urinary incontinence/frequency | 0 | 850 | 0.829 | 0.306 | |
Visual impairment | 3 | 1,873 | 0.351 | 0.200 | |
Lower limb weakness | 4 | 1,753 | 0.048 | 0.110 | |
Prescription of 'culprit' drugs | 3 | 1,234 | 0.099 | 0.140 | |
STRATIFY score ≥ 2 | 5 | 2,240 | 0.020 | 0.071 | |
FRAX score ≥ 10.0 | 6 | 3,561 | 0.046 | 0.019 | |
LOS ≥ 14 | 4 | 4,989 | 1.000 | - | |
Test dataset (n = 10,160) | n | 10 | 10,150 | ||
History of falls | 2 | 811 | 0.415 | 0.599 | |
Gait instability | 1 | 835 | 1.000 | 0.777 | |
Agitated confusion | 1 | 600 | 1.000 | 0.915 | |
Urinary incontinence/frequency | 2 | 877 | 0.475 | 0.402 | |
Visual impairment | 4 | 1,885 | 0.182 | 0.055 | |
Lower limb weakness | 5 | 1,712 | 0.018 | 0.143 | |
Prescription of 'culprit' drugs | 2 | 1,248 | 0.795 | 0.920 | |
STRATIFY score ≥ 2 | 4 | 2,260 | 0.334 | 0.819 | |
FRAX score ≥ 10.0 | 7 | 3,518 | 0.044 | 0.025 | |
LOS ≥ 14 | 9 | 5,110 | 0.028 | - | |