Transient cognitive impairment in the acute phase of stroke – prevalence, risk factors and influence on long-term prognosis in population of patients with stroke (research study – part of the PROPOLIS study)

Table 3 Influence of post-stroke transient cognitive impairment (CI) compared to ‘cognitively stable’ patients on three-month prognosis

Variable	Data	Incidence, n (%)		Univariate regression model		Multivariate regression model ^b		Multivariate regression model ^c
Variable	Data	Transient CI (n = 234)	Cognitively stable (n = 135)	OR (95%CI)	P-value	OR (95%CI)	P-value	OR (95%CI)	P-value
Mortality	363	10/231 (4.33%)	3/132 (2.27%)	1.946 (0.526–7.199)	0.319	1.625 (0.415–6.364)	0.486	1.530 (0.387–6.047)	0.544
Increase in mRS of ≥1	350	137/224 (61.16%)	79/126 (62.70%)	0.937 (0.597–1.469)	0.776	0.765 (0.468–1.248)	0.283	0.700 (0.427–1.149)	0.158
Hospital or institution stay	352	54/225 (24.00%)	34/127 (26.77%)	0.864 (0.525–1.421)	0.564	0.838 (0.494–1.422)	0.512	0.800 (0.469–1.366)	0.414
Dementia	270	45/174 (25.86%)	21/96 (21.88%)	1.246 (0.690–2.250)	0.466	1.030 (0.525–2.021)	0.931	0.965 (0.483–1.927)	0.919
WORSE OUTCOME^a	323	154/208 (74.04%)	89/115 (77.39%)	0.833 (0.488–1.424)	0.504	0.624 (0.347–1.125)	0.117	0.569 (0.314–1.030)	0.062

^adeath or increase in mRS of ≥1 or hospital/institution stay or dementia
^badjusted for age, gender, years of education, CIRS score and NIHSS score
^cadjusted for age, gender, years of education, CIRS score, NIHSS score and incidence of in-hospital delirium

ISSN: 1471-2377