Table 3.

Risk of cognitive decline according to cognitive screening at baseline

Cognitive screening at baseline	Cognitive decline at follow-up
	Unadjusted model	Adjusted model
	(HR, 95% CI)	(HR, 95% CI)
CDT stand-alone
CDT ≥ 6.55	1	1
CDT < 6.55	3.100 (1.704–5.637) #	2.022 (1.025–3.989) *
MoCA-B stand-alone
MoCA-B ≥ 24	1	1
MoCA-B < 24	1.937 (0.939–3.995)	0.687 (0.293–1.610)
CS
CS = 2 (MoCA-B ≥ 24 and CDT ≥ 6.55)	1	1
CS = 1 (MoCA-B < 24 or CDT < 6.55)	4.188 (1.690–10.380) *	1.988 (0.646–6.119)
CS = 0 (MoCA-B < 24 and CDT < 6.55)	1.732 (0.676–4.437)	1.063 (0.364–3.103)

Model 1: unadjusted; Model 2: adjusted for age, education, CIRS total score, NIHSS at admission, Pasquier scale score

CDT clock-drawing test, MoCA-B Montreal Cognitive Assessment-Basic, CS Combined score

*Significant with p < 0.05

^#Significant with p < 0.001