Table 3 Adjusted mortality risk by EDLOS time groups

EDLOS

 < 2 h

 ≧ 2 and < 6 h

(1.163–1.686)

< 0.0001**

 ≧ 6 and < 24 h

(1.182–1.694)

< 0.0001**

 ≧ 24 and < 48 h

(1.437–2.073)

< 0.0001**

 ≧ 48 h

(1.848–2.678)

< 0.0001**

Gender

 Female

 Male

(1.147–1.281)

< 0.0001**

Age (years)

 20–34

 35–49

(2.432–3.484)

< 0.0001**

 50–65

(3.493–4.911)

< 0.0001**

 >=65

(4.081–5.705)

< 0.0001**

Triage Classification Levels

 Lv.1

 Lv.2

(2.259–6.225)

< 0.0001**

 Lv.3

(0.919–2.523)

0.102

 Lv.4

(0.595–1.630)

0.952

 Lv.5

(0.532–1.545)

0.718

Way of Arrival to Emergency Department

 Self-Arrival

 Referred Self-Arrival

(0.663–0.760)

< 0.0001**

 119 Ambulance

(1.173–1.403)

< 0.0001**

 Private Ambulance

(1.625–2.293)

< 0.0001**

 Transferred from Outpatient Department

(0.855–1.050)

0.304

 Other

(0.206–1.545)

0.266

Comorbidity

 Y

 N

(1.717–1.935)

< 0.0001**

Experience for Specialist Attending Physician

 <=5 years

 6–10 years

(1.136–2.065)

0.005**

 11–15 years

(1.347–2.443)

< 0.0001**

 >=16 years

(1.545–2.787)

< 0.0001**

Patient Arrival Time

 Weekday

 Holiday

(0.925–1.045)

0.581

Emergency Department Shift

 Day Shift

 Night shift

(0.847–0.952)

< 0.0001**

 Graveyard shift

(0.774–0.923)

< 0.0001**