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 6 Influence of post-stroke transient cognitive impairment (CI) compared to ‘cognitively impaired’ patients on one-year 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	287	21/215 (9.77%)	16/72 (22.22%)	0.379 (0.185–0.775)	0.008	0.465 (0.209–1.035)	0.061	0.521 (0.228–1.188)	0.121
Increase in mRS of ≥1	236	43/185 (23.24%)	11/51 (21.57%)	0.709 (0.391–1.284)	0.257	0.798 (0.420–1.516)	0.491	0.830 (0.434–1.588)	0.573
Hospital or institution stay	236	43/185 (23.24%)	11/51 (21.57%)	1.101 (0.520–2.330)	0.801	1.050 (0.281–2.294)	0.902	1.065 (0.486–2.334)	0.875
Dementia	241	67/187 (35.83%)	21/54 (38.89%)	0.877 (0.470–1.637)	0.681	1.131 (0.553–2.310)	0.736	1.246 (0.593–2.616)	0.561
WORSE OUTCOME ^a	282	156/210 (74.29%)	55/72 (76.39%)	0.893 (0.478–1.669)	0.723	1.211 (0.610–2.404)	0.585	1.336 (0.663–2.692)	0.418

^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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