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Table 1 Characteristics of patients in the two cohorts. Data represent the mean ± standard deviation and numbers (proportions). APACHE: Acute Physiology and Chronic Health Evaluation; AP: arterial pressure; GCS: Glasgow Coma Scale; ISS: Injury Severity Score; MAIS: Maximum Abbreviated Injury Scale in this region; NISS: New ISS; TRISS: Trauma and Injury Severity Score

From: Implementation of new standard operating procedures for geriatric trauma patients with multiple injuries: a single level I trauma centre study

Characteristics

PreSOP

(2000–2006)

SOP

(2010–2012)

Total

P-value

N

131

180

311

 

Age [years]

75 ± 7

77 ± 8

76 ± 7

.046*

Gender [% male]

59%

59%

59%

.91

MAIS head or neck

3.02 ± 2.07

3.72 ± 1.91

3.43 ± 2.00

.032*

MAIS face

0.45 ± 0.94

0.66 ± 1.07

0.57 ± 1.02

.16*

MAIS spine

0.64 ± 1.28

0.64 ± 1.20

0.64 ± 1.23

.33*

MAIS chest

1.75 ± 1.76

1.51 ± 1.73

1.61 ± 1.74

.28*

MAIS abdomen

0.83 ± 1.56

0.37 ± 0.98

0.56 ± 1.27

.007*

MAIS pelvis

0.71 ± 1.29

0.63 ± 1.34

0.66 ± 1.32

.48*

MAIS extremities

1.36 ± 1.49

1.18 ± 1.45

1.25 ± 1.47

.69*

MAIS external

0.36 ± 0.63

0.74 ± 0.88

0.59 ± 0.81

.008*

GCS

7.31 ± 5.32

8.18 ± 5.15

7.81 ± 5.23

.39*

ISS

29 ± 12

37 ± 24

34 ± 20

.28*

NISS

42 ± 17

42 ± 22

42 ± 20

.41*

Mean AP [mmHg]

93 ± 25

97 ± 24

96 ± 24

.25*

Base excess [mEq/L]

−4.3 ± 5.0

− 3.5 ± 5.6

−3.8 ± 5.4

.64*

Lactate [mmol/L]

3.5 ± 2.8

2.3 ± 2.0

2.8 ± 2.5

<.001*

Haemoglobin [g/L]

10.4 ± 4.2

11.6 ± 7.8

11.2 ± 6.7

.094*

Prothrombin [% normal]

76 ± 24

71 ± 25

72 ± 25

.072*

APACHE II score

21 ± 9

18 ± 8

20 ± 8

.034*

TRISS

0.71 ± 0.28

0.63 ± 0.39

0.66 ± 0.35

.72*

  1. * Mann–Whitney U test, Pearsons’s chi-square