Table 3 Univariate analysis of the variables at ED presentation according to 28-day mortality

Age (years)

66 [51 to 81]

79 [69 to 83]

0.004

Sex male

70 (48)

19 (66)

0.10

Temperature (°C)

37.4 [36.5 to 38.4]

36.9 [35.6 to 37.8]

0.046

Glasgow Coma Score

15 [15]

14 [11 to 15]

<0.0001

Heart Rate (bpm)

105 [95 to 116]

106 [91 to 120]

0.85

Systolic arterial pressure (mmHg)

137 [113 to 160]

113 [88 to 150]

0.04

Systolic blood pressure <90 mmHg

10 (7)

8 (28)

0.003

Mean arterial pressure (mmHg)

96 [80 to 109]

86 [69 to 98]

0.03

Diastolic arterial pressure (mmHg)

74 [62 to 86]

63 [56 to 79]

0.04

Ventilatory rate (bpm)

25 [22 to 30]

29 [24 to 31]

0.10

SpO₂ (%)

96 [94 to 98]

95 [90 to 96]

0.02

Capillary refilling time (s)

1 [1 to 1]

1 [1 to 3]

0.0001

Presence of mottling

11 (7)

13 (45)

<0.0001

Capillary lactates

2.9 [1.9 to 5.2]

5.7 [3.2 to 7.4]

0.003