Table 4.

Predictors of delirium in the study sample.

Variables	B	Wald	p	Exp (B)	95% Confidence limit
Sepsis	2.279	7.502	0.006	9.77	1.91–49.92
Metabolic acidosis	1.238	5.107	0.024	3.45	1.18–10.09
Nasogastric tube use	2.277	18.763	0.000	9.74	3.48–27.30
APACHEII score	0.200	11.486	0.001	1.22	1.09–1.37
Sedation use	0.087	0.065	0.799	1.09	0.56–2.12
Creatinine level	−0.003	1.726	0.189	1.00	0.99–1.00
Constant	−5.821	31.098	0.000	0.003

Dependent Variable—ICU delirium.