Table 2 Biologically plausible models to test the association of admission 25-hydroxyvitamin D level with non-home discharge destination in surgical intensive care unit patients (n = 300)
Covariate | OR (95 % CI) 25OHD (continuous variable) | OR (95 % CI) 25OHD (<20 vs. ≥20 ng/mL) |
|---|---|---|
Age (years) | 1.01 (0.98–1.04) | 1.00 (0.98–1.03) |
Sex | ||
 Female | – | – |
 Male | 0.81 (0.36–1.83) | 1.08 (0.51–2.31) |
Race | ||
 Non-white | – | – |
 White | 1.57 (0.96–2.56) | 2.12 (0.52–8.68) |
BMI (kg/m2) | 2.07 (0.58–8.47) | 0.97 (0.91–1.02) |
SES | ||
 Low | – | – |
 Moderate | 1.09 (0.38–3.09) | 1.08 (0.39–3.02) |
 High | 1.07 (0.36–3.18) | 0.92 (0.32–2.65) |
Patient type | ||
 Emergent | – | – |
 Non-emergent | 1.73 (0.32–9.32) | 1.66 (0.32–8.66) |
APACHE II | 1.33 (1.22–1.45) | 1.32 (1.22–1.43) |
Hospital LOS (days) | 1.18 (1.11–1.25) | 1.18 (1.11–1.25) |
Vitamin D supplementation (IU/day) | Â | Â |
 <1000 | – | – |
 ≥1000 to <4000 | 0.56 (0.17–1.83) | 0.23 (0.08–0.67) |
25OHD (ng/mL) | 0.88 (0.82–0.95) | 2.74 (1.23–6.14) |