Table 2 Association between REMS factors and 30-day mortality risk in ED patients

Body temperature (°C)^a

  36.0 to 38.4

1.0

  34.0 to 35.9/38.5 to 38.9

1.8 (1.1–3.0)

0.025

  30.0 to 31.9/39.0 to 40.9

1.8 (1.2–2.9)

0.009

  <30.0/>40.9

4.9 (0.7–35.1)

0.113

Mean arterial pressure (mmHg)^a

  70 to 109

1.0

  50 to 70/110 to 130

1.2 (0.8–1.7)

0.372

  130 to 159

1.9 (1.2–3.1)

0.005

  <50/>159

4.7 (2.3–9.7)

<0.001

Pulse (per minute)^a

  70 to 109

1.0

  55 to 69/110 to 139

1.6 (1.1–2.2)

0.008

  40 to 54/140 to 179

4.6 (2.7–7.8)

<0.001

  <40/>179

5.9 (0.0–infinitive)

0.992

Breathing rate (per minute)^a

  12 to 24

1.0

  10 to 11/25 to 34

2.5 (1.8–3.5)

<0.001

  35 to 49

5.0 (3.0–8.2)

<0.001

  <6/>49

8.3 (2.6–26.2)

<0.001

Peripheral oxygen saturation (%)^a

  >89

1.0

  86 to 89

3.5 (2.2–5.6)

<0.001

  75 to 85

6.1 (3.9–9.5)

<0.001

  <75

11.9 (6.4–22.1)

<0.001

Glasgow coma score^a

  >13

1.0

  11 to 13

4.6 (2.7–7.8)

<0.001

  8 to 10

5.7 (3.4–9.5)

<0.001

  5 to 7

14.7 (9.1–23.6)

<0.001

  <5

26.2 (13.6–50.2)

<0.001

Age^a

  <45

1.0

  45 to 54

0.9 (0.5–1.8)

0.773

  55 to 64

1.1 (0.6–2.0)

0.739

  65 to 74

1.1 (0.6–2.1)

0.645

  >74

1.4 (0.8–2.3)

0.250

  REMS score (+1)

1.28 (1.23–1.34)

<0.001