Table 3.
Multivariable logistic regression examining predictors of VTE risk assessment (N = 213)
| Adjusted odds ratio (95% CI) | p value | |
|---|---|---|
| Sex | ||
| Female (reference) | 1 | |
| Male | 0.92 (0.48–1.79) | 0.812 |
| Ethnicity | ||
| NZ European (reference) | 1 | |
| Other | 3.72 (1.63–8.46) | 0.002 |
| Age | ||
| < 65 years (reference) | 1 | |
| 65–84 years | 0.63 (0.29–1.36) | 0.237 |
| ≥ 85 years | 0.79 (0.27–2.33) | 0.669 |
| Deprivation indexa | ||
| Quintile 1 (reference) | 1 | |
| Quintile 2 | 0.22 (0.08–0.61) | 0.003 |
| Quintile 3 | 0.34 (0.13–0.88) | 0.027 |
| Quintile 4 | 0.36 (0.36–1.37) | 0.133 |
| Quintile 5 | 0.29 (0.10–0.89) | 0.031 |
| Length of hospital stay | ||
| ≤ 10 days (reference) | 1 | |
| > 10 days | 1.83 (0.90–3.73) | 0.097 |
| Service type | ||
| Medical (reference) | 1 | |
| Orthopaedic/surgery | 5.32 (2.39–11.83) | < 0.001 |
| Reablement | 1.86 (0.76–4.52) | 0.174 |
| Number of comorbidities | ||
| None (reference) | 1 | |
| 1 | 0.57 (0.28–1.14) | 0.112 |
| ≥ 2 | 0.32 (0.12–0.86) | 0.024 |
| Any concurrent medicines | ||
| No (reference) | 1 | |
| Yes | 0.62 (0.27–1.41) | 0.250 |
| Trauma | ||
| No (reference) | 1 | |
| Yes | 0.77 (0.39–1.52) | 0.455 |
| Intravenous antibiotics | ||
| No | 1 | |
| Yes | 0.80 (0.41–1.57) | 0.518 |
| Restricted mobility | ||
| No (reference) | 1 | |
| Yes | 0.89 (0.45–1.79) | 0.747 |
aQuintile 1: decile 1 and 2
Quintile 2: decile 3 and 4
Quintile 3: decile 5 and 6
Quintile 4: decile 7 and 8
Quintile 5: decile 9 and 10
Bold text indicates a significant statistical association