“…One study [ 21 ] emphasized that the triage category is one of the most important factors in the prediction of admission. In 11 of the 14 articles [ 16 , 17 , 19 , 21 , 22 , 23 , 25 , 26 , 27 , 28 , 29 ], a demographic category was used, and within this category, the age variable was used in all 11 studies. Four of these articles distinguish age as a good predictor of hospital admission [ 16 , 17 , 21 , 25 ].…”