Table 4.

Outcomes of dependent variables before and after a nursing intervention to prevent and detect delirium symptoms among discharged home-dwelling older adults

Outcomes	EG (n = 51)	CG (n = 52)	p value	p value after adjustment for confounding variablesg
Delirium symptoms	1.90 ± 1.56a	2.50 ± 1.90	0.084d	0.046g,*
Cognitive impairment	25.06 ± 3.63b	23.81 ± 5.04	0.152e	0.015g,*
Functional impairment	29.16 ± 8.53c	31.31 ± 9.71	0.235f	0.033g,*

^*p < 0.05.

^aMean number of symptoms ± SD.

^bDifference in the MMSE.

^cMean score ± SD on the ADL/IADL.

^dMann-Whitney U test.

^et test for independent samples.

^fConfounding variables: age, polymedication, cognitive impairment, and comorbidities.

^gANCOVA for the confounding variables cognitive impairment (MMSE), age, comorbidities, and polymedication.