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Journal of The Korean Society of Emergency Medicine 2011;22(1): 86-92. |
| Characteristics of Frequent Users of Emergency Department |
| Tae Gun Shin, Jin Woo Song, Hyoung Gon Song, Chong Kun Hong |
1Department of Emergency Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2Department of Emeregncy Medicine, Samsung Changwon hospital, Sungkyunkwan University School of Medicine, Changwon, Korea. schsfc@hanmail.net |
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| ABSTRACT |
PURPOSE:
Crowding causes dysfunction in the emergency department (ED) and is associated with poor quality of patient care, dissatisfaction of the physicians, and increased financial burden of medical care. Frequent use is often considered a major contributor to ED crowding. The present study sought to verify the relationship between the frequent ED users and ED crowding, and to ascertain the severity of the frequent ED users.
METHODS:
One-year ED visit data from a tertiary teaching hospital located in an urban area were analyzed. Frequent ED users were defined as four or more ED visits per year.
Crowding indicators were defined as the length of stay and the percentage of patients staying over 6 hours. Severity indicators were defined as operation within 24 h, admission to intensive care unit, and expiry in the ED.
RESULTS:
The 2.7% of patients who had four or more ED visits were responsible for 11.9% of visits. The median length of stay of frequent users was significantly longer (6.18 h) than that of infrequent users (3.42 h). The percentage of patients who stayed more than 6 h was significantly larger in the frequent user group than infrequent user group (51.4% vs. 32.9%, respectively; OR=2.158; 95% CI, 2.041~2.281).
However, the severity of frequent users was lower than that of infrequent users (3.0% vs. 5.3%, respectively; OR=0.553; 95% CI, 0.472~0.648).
CONCLUSION:
Frequent users presenting to an ED located in an urban area were more likely to stay longer in the ED, and were less likely to be severe. Active interventions to reduce ED crowding are required. |
| Key words:
Health services misuse, Crowding, Emergency medical services |
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