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Table 1 Base data separately for each hospital divided into hypotherm, matched normotherm and remaining cases of normotherm population

From: The impact of mild induced hypothermia on the rate of transfusion and the mortality in severely injured patients: a retrospective multi-centre study

 

Hospital

A

B

C

A

B

C

Hypotherm

Matched

Matched

Normotherm

Variable

n = 43

n = 43

n = 43

n = 275

n = 97

n = 63

Age (years)

36 ± 13

38 ± 13

36 ± 14

55 ± 22

50 ± 23

61 ± 18

ISS

30 ± 10

33 ± 10

33 ± 14

28 ± 10

27 ± 8

27 ± 10

NISS

44 ± 14

43 ± 13

43 ± 18

37 ± 13

32 ± 12

36 ± 14

TRISS

0.68 ± 0.28

0.73 ± 0.26

0.64 ± 0.36

0.71 ± 0.31

0.69 ± 0.31

0.61 ± 0.33

Blunt trauma mechanism (%)

97.6

95.1

100

95.6

97.9

98.4

Sex female (%)

16.3

27.9

18.6

33.8

34.0

25.4

At arrival in resuscitation room

 SAP (mmHg)

130 ± 26

115 ± 32

116 ± 40

135 ± 32

124 ± 31

127 ± 42

 Heart rate (beats/min)

87 ± 22

94 ± 25

82 ± 31

87 ± 22

86 ± 23

90 ± 25

 Temperature (°C)

35.3 ± 1.2

35.1 ± .13

34.7 ± 2.4

35.2 ± 1.4

35.4 ± 1.2

35.6 ± 2.1

 Haemoglobin (g/L)

12.5 ± 1.8

11.6 ± 2.7

13.1 ± 2.2

12.1 ± 2.5

11.5 ± 2.6

12.0 ± 2.9

 Thrombocytes (103/µL)

218 ± 57

194 ± 60

216 ± 72

224 ± 80

198 ± 62

214 ± 73

 Prothrombin time (%)

80 ± 18

71 ± 25

71 ± 25

74 ± 25

72 ± 21

78 ± 20

 Base excess (mmol/L)

−3.3 ± 2.8

−3.4 ± 5.2

−2.6 ± 4.2

−2.4 ± 4.7

−2.6 ± 3.7

−3.3 ± 4.3

 Lactate (mmol/L)

2.3 ± 1.7

2.8 ± 2.0

3.6 ± 3.7

2.2 ± 1.8

2.6 ± 1.8

2.9 ± 2.6

  1. Data given as mean and standard deviation, ISS injury severity score, NISS new ISS, TRISS trauma ISS, SAP systolic arterial pressure