Discussion: The baseline simple reaction timewas significantly associated
with all-cause and cardiovascular disease mortality in adults.We
also determined that the addition of simple reaction time provided
modest, 9.7% (p-value = 0.0086), but significant improvement in risk
reclassification for cardiovascular disease mortality. These data confirm
the previous findings of the association between reaction time and
cardiovascular mortality [2,4–6] and indicates the potential clinical relevance
of incorporating simple reaction time for predicting cardiovascular
mortality.