The Cog-4 Subset of the National Institutes of Health Stroke Scale as a Measure of Cognition: Relationship with Baseline Factors and Functional Outcome after Stroke Using Data from the Virtual International Stroke Trials Archive

Table 3

Comparison of abnormal responses (score > 0) on Cog-4 between right and left hemisphere strokes (values in percentage).

Variable	Baseline			Day 90
			𝑃 value			𝑃 value^†
	Left	Right		Left	Right
Orientation	66.3	20.3	<0.001	33.9	16.3	<0.001
Commands	42.7	8.3	<0.001	19.4	8.9	<0.001
Language	76.3	14.0	<0.001	47.4	12.8	<0.001
Extinction	36.8	62.9	<0.001	20.4	28.5	<0.001
Total	83.5	69.0	<0.001	59.6	46.3	<0.001

†Chi-square test.