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 4 Influence of post-stroke transient cognitive impairment (CI) compared to ‘cognitively impaired’ 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 impaired (n = 78)	OR (95%CI)	P-value	OR (95%CI)	P-value	OR (95%CI)	P-value
Mortality	306	10/231 (4.33%)	10/75 (13.33%)	0.294 (0.117–0.737)	0.009	0.410 (0.152–1.110)	0.079	0.454 (0.163–1.264)	0.131
Increase in mRS of ≥1	294	137/224 (61.16%)	53/70 (75.71%)	0.505 (0.275–0.928)	0.028	0.626 (0.328–1.195)	0.155	0.664 (0.343–1.285)	0.224
Hospital or institution stay	295	54/225 (24.00%)	31/70 (44.29%)	0.397 (0.226–0.697)	0.001	0.396 (0.217–0.723)	0.003	0.410 (0.223–0.753)	0.004
Dementia	226	45/174 (25.86%)	16/52 (30.77%)	0.785 (0.398–1.549)	0.485	0.963 (0.452–2.052)	0.923	1.116 (0.516–2.633)	0.713
WORSE OUTCOME ^a	276	154/208 (74.04%)	60/68 (88.24%)	0.380 (0.171–0.846)	0.018	0.470 (0.203–1.091)	0.079	0.500 (0.212–1.177)	0.112

^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

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