Table 2.

Risk factors associated with the development of AAD

	Univariate	Multivariate*
Associated factors	OR (95% CI)	OR (95% CI)*
Age > 70y	2.22 (1.30-3.77)	2.41 (1.39-4.18)
More than one AB	2.05 (1.19-3.51)	2.27 (1.30-3.98)
ADL score (6-24)	1.07 (1.02-1.11)
Disorientation score (2-8)	1.23 (1.09-1.39)
Risk score (sum of risk factors)	1.42 (1.14-1.75)
Proton pump inhibitors	1.97 (1.16-3.32)	1.98 (1.15-3.43)
Endoscropic procedures	1.94 (1.09-3.45)
Diabetes	1.57 (0.94-2.63)
Decubitus	19.45 (1.74-217.24)	32.11 (2.82-366.13)
University Hospital	1.70 (1.03-2.80)
Nephrology	2.50 (1.34-4.67)	2.34 (1.23-4.47)

*Nagelkerke Rsquare = 0.103.