Table 2.
Predictors of fall-related hospitalisations within 90 days of entry into permanent residential aged carea
| Variables | sHR | 95%CI | P-value |
|---|---|---|---|
| Time trend, years | 1.06 | 1.03–1.09 | < 0.001 |
| Age (per 1 year increment) | 1.02 | 1.02–1.03 | < 0.001 |
| Men vs Women | 1.16 | 1.02–1.30 | 0.028 |
| History of Fractures (yes vs no) | 1.87 | 1.63–2.15 | < 0.001 |
| History of Falls (yes vs no) | 1.41 | 1.21–1.64 | < 0.001 |
| Dementia (yes vs no) | 1.39 | 1.22–1.57 | < 0.001 |
| Delirium (yes vs no) | 1.28 | 1.02–1.61 | 0.033 |
| Rx-Risk-V Co-morbidity Category | |||
| 2–3 vs 0–1 | 1.10 | 0.82–1.46 | 0.530 |
| 4–5 vs 0–1 | 1.29 | 0.97–1.71 | 0.080 |
| 6–8 vs 0–1 | 1.20 | 0.89–1.63 | 0.240 |
| 9+ vs 0–1 | 1.28 | 0.91–1.79 | 0.160 |
| Medications Sedative Load Rating Category | |||
| 1–2 vs 0 | 0.93 | 0.75–1.14 | 0.460 |
| 3+ vs 0 | 1.11 | 0.95–1.30 | 0.170 |
| Vitamin K Antagonists (ATC code B01AA) (yes vs no) | 1.33 | 1.12–1.59 | 0.001 |
| SSRI (ATC code N06AB) (yes vs no) | 1.21 | 1.03–1.42 | 0.020 |
| Activities of Daily Living Level | |||
| No or minimal vs Severe impairment | 2.24 | 0.76–6.56 | 0.140 |
| Mild vs Severe impairment | 1.19 | 0.80–1.76 | 0.400 |
| Moderate vs Severe impairment | 1.06 | 0.88–1.28 | 0.520 |
| Behavioural Daily Living Level | |||
| No or minimal vs Severe impairment | 0.91 | 0.66–1.24 | 0.530 |
| Mild vs Severe impairment | 0.76 | 0.64–0.90 | 0.002 |
| Moderate vs Severe impairment | 0.88 | 0.74–1.04 | 0.120 |
| Mobility Rating | |||
| A best vs D worst | 0.46 | 0.24–0.88 | 0.019 |
| B vs D worst | 0.59 | 0.41–0.86 | 0.005 |
| C vs D worst | 0.67 | 0.54–0.84 | 0.001 |
| Toileting Rating | |||
| A best vs D worst | 0.70 | 0.42–1.14 | 0.150 |
| B vs D worst | 0.67 | 0.47–0.97 | 0.032 |
| C vs D worst | 0.97 | 0.78–1.19 | 0.740 |
| Cognitive Rating | |||
| A best vs D worst | 0.59 | 0.47–0.74 | < 0.001 |
| B vs D worst | 0.72 | 0.60–0.86 | < 0.001 |
| C vs D worst | 0.78 | 0.68–0.89 | < 0.001 |
| Depression and Dysthymia Rating | |||
| A best vs D worst | 0.97 | 0.80–1.17 | 0.760 |
| B vs D worst | 1.01 | 0.82–1.23 | 0.950 |
| C vs D worst | 1.20 | 0.97–1.49 | 0.088 |
| Number of unplanned hospitalisations (year prior) | |||
| 1 vs 0 | 1.03 | 0.86–1.25 | 0.720 |
| 2–4 vs 0 | 1.04 | 0.86–1.26 | 0.710 |
| 5+ vs 0 | 1.27 | 0.97–1.65 | 0.083 |
| Number of ED Presentations (year prior) | |||
| 1 vs 0 | 1.03 | 0.86–1.24 | 0.740 |
| 2–4 vs 0 | 1.36 | 1.11–1.67 | 0.003 |
| 5+ vs 0 | 1.21 | 0.90–1.63 | 0.210 |
| Number of GP Attendances (year prior) | |||
| 1–5 vs 0 | 2.34 | 1.15–4.78 | 0.019 |
| 6–15 vs 0 | 2.93 | 1.42–6.03 | 0.004 |
| 16+ vs 0 | 3.31 | 1.58–6.93 | 0.002 |
sHR Subdistribution hazard ratio, CI Confidence intervals, GP General practitioners, ATC Anatomical, Therapeutic and Chemical classification codes, ED Emergency department, MBS Medicare Benefits Schedule, SSRI Selective serotonin reuptake inhibitor
aN = 30,871 included in models. 1445 (4.5%) of cohort not included due to missing data