What question did this study set out to answer?

This study aims to evaluate the prevalence of self-reported transient ischemic attack (TIA) and stroke symptoms among participants in the ARIC study.

Self-reported Transient Ischemic Attack and Stroke Symptoms: Methods and Baseline Prevalence: The ARIC Study, 1987-1989

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Randomized trial assesses TIA and stroke symptom prevalence in various communities, indicating significant associations with demographics.

This study aims to evaluate the prevalence of self-reported transient ischemic attack (TIA) and stroke symptoms among participants in the ARIC study.
Developed a standardized questionnaire on TIA and stroke symptoms
Utilized a computerized diagnostic algorithm to classify reported symptoms
Analyzed data from 12,205 participants across four field centers in the USA.
47% of participants reported at least one symptom of TIA or stroke
Only 12.9% of symptomatic individuals were classified as having TIA/stroke by the algorithm
Higher frequency of symptoms reported in females (7%) compared to males (5%)

Toole et al. (1996) studied this question.

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Randomized trial assesses TIA and stroke symptom prevalence in various communities, indicating significant associations with demographics.