Table 1.

Independent Delirium Risk Factors Upon Admission: NICE Confidence.^a

Admission Characteristic	Odds Ratio (95% Confidence Interval)
Fracture	6.6 (2.2-19.3)
Cognitive impairment	6.3 (2.9-13.7)
Age >80	5.2 (2.6-10.4)
Severe illness	3.5 (1.5-8.2)
Age >65	3.0 (1.2-7.7)
Infection	3.0 (1.4-6.1)
Vision impairment	1.7 (1.0-2.8)

Abbreviations: NICE, National Institute for Health and Clinical Excellence. 38(p244)

^aAdapted from Delirium: Diagnosis, Prevention and Management. Clinical Guideline 103.