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. Author manuscript; available in PMC: 2016 Jun 14.
Published in final edited form as: Br J Nutr. 2015 Jun 14;113(11):1753–1760. doi: 10.1017/S0007114515001245

Table 3.

Multivariable-adjusted associations between covariates and hospital-acquired new-onset delirium (HANOD)* (Odds ratios and 95% confidence intervals)

OR 95% CI P
Age (per 1 year) 1·02 1·01, 1·03 <0·001
Sex 0·55
 Female 1·00 Reference
 Male 1·10 0·81, 1·48
Race 0·60
 Non-white 1·00 Reference
 White 0·90 0·60, 1·34
Patient type
 Medical 1·00 Reference 0·13
 Surgical 0·61 0·32, 1·15
Deyo–Charlson Index
 0–3 1·00 Reference
 4–6 1·77 1·19, 2·62 0·005
 ≥7 2·12 1·46, 3·09 <0·001
Pre-hospital 25(OH)D (ng/ml)
 <10 2·15 1·32, 3·50 0·002
 10–19·9 1·54 0·98, 2·43 0·063
 20–29·9 1·23 0·76, 1·99 0·39
 ≥30 1·00 Reference

25(OH)D, 25-hydroxyvitamin D.

*

Adjusted OR were estimated by a multivariable logistic regression model with inclusion of covariate terms considered to plausibly associate with vitamin D status and HANOD. Estimates for each variable are adjusted for all other variables in the table.