Table 1.

Criteria for adjudication of minor stroke and TIA event types in the INSIST and INSIST-COG cohorts.

Event type	INSIST criteria
Minor stroke	A stroke with a National Institutes of Health Stroke Scale score of ≤ 4 lasting more than 24 h
Transient ischemic attack	Rapidly developing clinical signs of focal disturbance of cerebral function lasting <24 h with no apparent non-vascular cause.
	INSIST-COG criteria
Minor stroke	Clinically diagnosed minor cerebrovascular event patients from the INSIST study or practicing neurologist with evidence of infarction including signs such as localized atrophy and signal hypoattenuation
Transient ischemic attack	Clinically diagnosed minor cerebrovascular event patients from the INSIST study or practicing neurologist with no evidence of infarction.