Table 3 Characteristics of the discharged and admitted patients at the second ED return visit
Characteristics | Revisit with subsequent admission, % (n = 224) | Revisit then discharge, % (n = 299) | 95% CI of the difference, % |
|---|---|---|---|
Period | |||
  Preintervention   Postintervention | 52.7 47.3 | 49.2 50.9 |  − 5.12 to 12.04  − 5.02 to 12.14 |
Age | |||
  15–30 years   31–45 years   45–60 years   61–75 years    > 75 years | 20.1 10.7 15.2 29.9 24.1 | 25.8 21.1 20.1 20.4 12.7 |  − 1.66 to 12.75 4.04 to 16.43*  − 1.82 to 11.30 2.02 to 17.05* 4.73 to 18.26* |
Sex | |||
  Male   Female | 43.3 56.7 | 48.8 51.2 |  − 3.12 to 13.97  − 5.36 to 11.73 |
Initial diagnosis category | |||
  Trauma   Circulatory   Respiratory   Digestive   Genitourinary   Skin and subcutaneous tissue   Infectious   Musculoskeletal   Neurological   Others | 2.2 6.3 17.4 26.3 9.8 1.3 22.8 0.0 6.7 7.1 | 8.7 4.7 12.7 20.7 16.4 4.0 10.0 4.3 7.4 11.0 | 0.32 to 7.75*  − 2.32 to 5.99  − 3.81 to 8.90  − 4.35 to 10.48 0.65 to 12.24*  − 0.32 to 5.69 6.43 to 19.40* 0.62 to 5.48*  − 4.04 to 5.08  − 1.24 to 8.76 |
Length of stay in ED at 1st visit | |||
   < 24 h   24–48 h    > 48 h | 92.9 4.5 2.7 | 95.0 4.3 0.7 |  − 1.99 to 6.67  − 3.37 to 4.18  − 0.27 to 5.08 |
ED visits within the past 12Â months | |||
  0   1    >  = 2 | 59.8 29.5 10.7 | 77.6 18.7 3.7 | 9.79 to 25.65* 3.43 to 18.25* 2.59 to 11.99* |
Hospitalizations within the past 12Â months | |||
  0   1    >  = 2 | 60.3 30.8 8.9 | 80.6 14.4 5.0 | 12.43 to 28.00* 9.19 to 23.64*  − 0.45 to 8.76 |
Charlson comorbidity index | |||
  0–1    >  = 2 | 54.9 45.1 | 66.2 33.8 | 2.85 to 19.61* 2.85 to 19.61* |
Severity based on 1st visit triage | |||
  ESI V (white)   ESI IV (green)   ESI III (yellow)   ESI II (orange) | 3.6 8.9 66.5 20.9 | 6.4 18.1 71.2 4.3 |  − 1.39 to 6.36 3.24 to 14.86*  − 3.25 to 12.73 10.96 to 22.65* |