Table 5 Risk of in-hospital mortality following a diagnosis of first acute myocardial infarction: a multivariable logistic regression^a

 18–58 years (reference)

1.00

 59–74 years

2.3 (1.3–4.3)

0.006

 75 year or more

5.0 (2.8–9.1)

<0.001

Female sex

1.6 (1.1–2.3)

0.007

 Low tertile (reference)

1.00

 Middle tertile

0.8 (0.5–1.3)

0.4

 High tertile

0.8 (0.6–1.2)

0.3

Born in Australia

0.8 (0.6–1.1)

0.2

Chest pain as main presenting symptom

0.3 (0.2–0.4)

<0.001

Arrival in the ED within 60 min of onset of symptoms

0.9 (0.6–1.6)

0.9

Arrival in ambulance

3.9 (2.0–7.8)

<0.001

 Non-urgent presentations (reference)

1.00

 Emergency presentations/resuscitation needed

3.0 (1.8–4.9)

<0.001

Admitted to CCU or ICU

0.5 (0.3–0.7)

<0.001

Time from arrival in the ED to examination by physician (continuous variable)

1.0 (0.9–1.0)

0.9