Table 2 Relative risks for different demographic characteristics and outcome parameters with a RD- score ≥ 5 (univariate analysis)
Score ≥ 5 | Score < 5 | Relative risk (CI) | P value | |
|---|---|---|---|---|
(n = 173) | (n = 205) | |||
Age, mean ± SD | 86.6 ± 6.5 | 81.4 ± 7.1 | n/a | < 0.001*** |
Female gender | 79.2% | 69.3% | 1.35 (1.01-1.80) | 0.029 |
Dementia | 51.4% | 0% | 3.44 (2.87-4.12) | < 0.001 |
ASA -III-IV | 45.7% | 22.9% | 1.68 (1.36-2.07) | < 0.001 |
Institutional residence | 61.8% | 10.2% | 3.17 (2.54-3.95) | < 0.001 |
Having no partner | 79.3% | 60.9% | 1.74 (1.26-2.41) | < 0.001 |
Psychotropic drug use | 51.4% | 24.4% | 1.82 (1.47-2.25) | < 0.001 |
Fracture type | ||||
neck of femur | 56.1% | 59.0% | 0.85* | |
(inter) trochanteric | 39.5% | 37.0% | 0.95 (0.78-1.15) | 0.59** |
subtrochanteric | 4.4% | 4.0% | ||
Treatment | ||||
osteosynthesis | 60.5% | 50.3% | 0.077* | |
(hemi-) arthroplasty | 38.5% | 46.8% | 1.19 (0.98-1.44) | 0.072** |
conservative | 1.0% | 9% | ||
Spinal/epidural anesthesia | 97.5% | 91.1% | 2.26 (1.05-4.85) | 0.006 |
Delirium | 42.4% | 14.1% | 1.98 (1.62-2.41) | < 0.001 |
Length of stay ≥ 10 days | 65.1% | 44.1% | 1.61 (1.27-2.05) | < 0.001 |
Alternative living situation at 3 months* | 62.3% | 17.0% | 4.25 (2.65-6.80) | < 0.001 |
In-hospital mortality | 5.8% | 2.0% | 1.60 (1.12-2.26) | 0.050 |
3-month mortality | 23.1% | 8.3% | 1.69 (1.37-2.10) | < 0.001 |
12-month mortality | 37.0% | 14.6% | 1.77 (1.45-2.17) | < 0.001 |