Epidemiology of Frequent Visits to the Emergency Department at a Tertiary Care Hospital in Saudi Arabia: Rate, Visitors' Characteristics, and Associated Factors.

Frequent and highly frequent visitors to emergency departments represent a significant proportion of adult patients presenting to ED. Their visits constitute almost one-third of total ED visits. Several factors associated with highly frequent ED visits have been identified. This study provides local empirical evidence to develop improvement policy and actions related to chronic issue of frequent and highly frequent visitation to hospital ED.