High-risk factors for delirium in severely ill patients and the application of emotional nursing combined with pain nursing

Table 2 Multivariate analysis of risk factors for delirium in intensive care unit patients

Variable	OR	95%CI	P value
Combined emotional and pain care	0.351	0.146-0.845	0.020
Diabetes history	4.631	1.787-11.999	0.002
Patient source (emergency)	0.308	0.118-0.802	0.016
Surgery	6.250	1.459-26.772	0.014
ICU stay	1.659	1.240-2.219	0.001
Smoking history	2.787	1.094-7.100	0.032
APACHE II score	1.421	1.246-1.621	< 0.001

95%CI: 95% confidence interval; OR: Odds ratio; ICU: Intensive care unit; APACHE: Acute Physiology and Chronic Health status assessment.