Table 3 Regression models for admission and mortality of elderly (> 60 yrs) and young adults (18–60 yrs)

Admission model

Age

18- 60 yrs

(ref)

(ref)

> 60 yrs

2.4 (2.3-2.5)

<0.001

1.7* (1.6-1.8)

<0.001

Gender

Male

(ref)

(ref)

Females

0.88 (0.85-0.91)

<0.001

0.95* (0.91-0.99)

0.018

Triage category

P4 & P5

(ref)

(ref)

P3

4.2 (3.8-4.6)

<0.001

4.1* (3.7-4.5)

<0.001

P2

11.8 (10.7-13.1)

<0.001

10.4* (9.4-11.5)

<0.001

P1

23.1 (20.8-25.6)

<0.001

20.6* (18.5-22.9)

<0.001

Expiry model

Age

18- 60 yrs

(ref)

(ref)

> 60 yrs

3.7 (3.4-4.1)

<0.001

2.3⁺ (2.0-2.5)

<0.001

Gender

Male

(ref)

(ref)

Females

0.78 (0.71-0.87)

<0.001

0.89⁺ (0.79-0.99)

0.048

Triage category

P4 & P5

(ref)

(ref)

P3

1.5 (1.1-2.1)

0.019

1.2⁺ (0.85-1.7)

0.305

P2

6.2 (4.5-8.6)

<0.001

3.7⁺ (2.6-5.1)

<0.001

P1

20 (14.7-27.4)

<0.001

11.9⁺ (8.7-16.4)

<0.001

Length of stay in ED

< 6 hrs

(ref)

(ref)

>6 hrs

3.4 (3.1-3.9)

<0.001

1.8⁺ (1.6-2)

<0.001