Research Article

Identifying Potentially Avoidable Emergency Department Visits of Long-Term Care Hospital Residents in Korea: A Multicenter Retrospective Cohort Study

Table 1

General characteristics of the study population transferred from LTCHs to EDs.

CharacteristicsReasonablePotentially avoidablep-value
(N=963)(N=168)

Age, years, n (%)0.131
 65–74213 (22.1)26 (15.5)
 75–84461 (47.9)84 (50.0)
 ≥85289 (30.0)58 (34.5)
Sex, n (%)0.234
 Male449 (46.6)70 (41.7)
 Female514 (53.4)98 (58.3)
Triage category (KTAS), n (%)0.372
 134 (3.5)8 (4.8)
 2220 (22.8)36 (21.4)
 3557 (57.8)88 (52.4)
 4120 (12.5)29 (17.3)
 532 (3.3)7 (4.2)
Common causes of LTCH admissions, n (%)0.043
 Cerebrovascular disorders400 (41.5)62 (36.9)
 Dementia141 (12.7)28 (18.4)
 Orthopedic injuries106 (11.0)15 (8.9)
 Malignancies71 (7.4)20 (11.9)
 End-stage kidney disease69 (7.2)5 (3.0)
 Generalized weakness68 (7.1)11 (6.5)
 Other trauma30 (3.1)8 (4.8)
 Congestive heart failure20 (2.1)4 (2.4)
 Chronic obstructive pulmonary disease14 (1.5)2 (1.2)
 Vegetative state15 (1.6)0 (0)
 Others29 (3.0)11 (6.5)
Main reasons for ED visit, n (%)0.317
 Medical cause884 (91.8)158 (94.0)
 Nonmedical cause79 (8.2)10 (6.0)
Primary diagnosis in the ED, n (%)0.097
 Trauma60 (6.2)5 (3.0)
 Non-trauma903 (93.8)163 (97.0)
Specific diagnoses (non-trauma)<0.001
 Respiratory tract311 (34.4)38 (23.3)
 Urologic115 (12.7)27 (16.6)
 Gastrointestinal165 (18.3)17 (10.4)
 For procedure73 (8.1)10 (6.1)
 Cardiovascular52 (5.8)7 (4.3)
 Cerebrovascular56 (6.2)6 (3.7)
 Fluid and electrolyte disorder20 (2.2)3 (1.8)
 Sepsis47 (5.2)3 (1.8)
 Cardiopulmonary arrest2 (0.2)3 (1.8)
 No disease found13 (1.4)25 (15.3)
 Others49 (5.4)24 (14.7)
Disposition in the ED, n (%)<0.001
 Returned to an LTCH189 (19.6)98 (58.3)
 Admitted to this hospital730 (75.8)37 (4.8)
  GW/ICU: n (%)0.096
   General ward475 (65.1)29 (78.4)
   Intensive care unit255 (34.9)8 (21.6)
 Admitted to another hospital22 (2.3)17 (10.1)
 Left before treatment completed18 (1.9)9 (5.4)
 Deceased4 (0.4)7 (4.2)

LTCH: long-term care hospital, ED: emergency department, KTAS: Korean Triage and Acuity Scale, GW: general ward, ICU: intensive care unit.