“…A few studies on ED revisits were conducted on pediatric patients. In previous studies, the ED revisit rates of pediatric patients varied from 2.2% to 8.0% [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ], and the number of pediatric revisits to EDs was reported to increase each year [ 19 ]. The ED revisit rates were high among infants, toddlers [ 9 , 12 , 14 , 17 , 18 , 19 ], and children with chronic diseases [ 11 , 20 ].…”