Table 5.

Results of an exact conditional logistic regression analysis of delirium, where the conditioning is on operation type (four strata)

Variables	OR (95% CI)	P-value
Diabetes mellitus	6.23 (1.11–52.2)	0.035
SNAQ-RC ≥3	5.55 (1.07–42.0)	0.039
General anesthesia	13.3 (0.96–∞)	0.054
Visual impairment	3.72 (0.98–15.6)	0.055
Daily alcohol use	0.15 (0.01–1.07)	0.062
Hypercholesterolemia	0.30 (0.06–1.22)	0.10
Packed cells transfusion	0.68 (0.31–1.23)	0.27

Notes: Data presented as ORs and their 95% CI. Confidence limits and P-values are exact.

Abbreviations: OR, odds ratio; CI, confidence interval; SNAQ-RC, Short Nutritional Assessment Questionnaire for Residential Care.