Table 3 The RISC II model for prediction of mortality after trauma

Worst injury

2*

0

0

1

3

−0.5

-0.517

<0.001

0.60

0.46-0.78

4

-1.3

-1,259

<0.001

0.28

0.22-0.38

5

-1.7

-1.742

<0.001

0.18

0.13-0.23

6

-2.9

-2.941

<0.001

0.05

0.03-0.09

Second-worst injury

0-2

+0.2

0.254

<0.001

1.29

1.13-1.48

3*

0

0

1

4

-0.6

-0.617

<0.001

0.54

0.47-0.62

5-6

-1.4

-1.429

<0.001

0.24

0.20-0.29

Head injury

0-2*

0

0

1

3-4

-0.2

-0.199

0.004

0.82

0.72-0.94

5-6

-0.8

-0.755

<0.001

0.47

0.40-0.56

Age

1-5

+1.4

1.411

0.001

4.10

1.79-9.40

6-10

+0.6

0.581

0.099

1.79

0.90-3.57

11-54*

0

0

1

55-59

-0.5

-0.544

<0.001

0.58

0.47-0.73

60-64

-0.8

-0.784

<0.001

0.46

0.37-0.57

65-69

-0.9

-0.921

<0.001

0.40

0.32-0.49

70-74

-1.2

-1.250

<0.001

0.29

0.24-0.34

75-79

-1.9

-1.888

<0.001

0.15

0.13-0.18

80-84

-2.4

-2.244

<0.001

0.09

0.07-0.11

85+

-2.7

-2.665

<0.001

0.07

0.06-0.08

Sex

---/males*

0

0

1

females

+0.2

0.231

<0.001

1.26

1.12-1.42

ASA

1-2

+0.3

0.335

<0.001

1.40

1.26-1.56

???/3*

0

0

1

4

-1.3

-1.334

<0.001

0.26

0.16-0.42

Mechanism

???/blunt*

0

0

1

penetrating

-0.6

-0.623

<0.001

0.54

0.41-0.70

Pupil reactivity

brisk

+0.2

0.271

0.001

1.31

1.12-1.53

???/sluggish*

0

0

1

fixed

-1.0

-1.011

<0.001

0.36

0.30-0.45

Pupil size

normal

+0.2

0.178

0.014

1.20

1.04-1.38

???/anisocoria*

0

0

1

both dilated

-0.5

-0.490

<0.001

0.61

0.48-0.78

Motor function

normal

+0.6

0.609

<0.001

1.84

1.62-2.09

???/directed*

0

0

1

non-directed

-0.4

-0.378

0.001

0.69

0.55-0.85

none

-0.8

-0.819

<0.001

0.44

0.39-0.50

CPR

???/no*

0

0

1

yes

-1.8

-1.752

<0.001

0.17

0.14-0.22

Blood pressure

<90

-0.7

-0.665

<0.001

0.51

0.44-0.61

???/90-110*

0

0

1

111-150

+0.3

0.310

<0.001

1.36

1.22-1.53

>150*

0

0

INR

<1.20

+0.6

0.637

<0.001

1.89

1.68-2.13

1.20-1.39

+0.2

0.184

0.024

1.20

1.03-1.41

???/1.40-2.39*

0

0

1

2.40+

-0.4

-0.383

0.001

0.68

0.54-0.86

Haemoglobin

12.0+

+0.4

0.372

<0.001

1.45

1.30-1.62

???/7.0-11.9*

0

0

1

<7.0

-0.5

-0.551

<0.001

0.58

0.46-0.73

Base deficit

<6.0

+0.3

0.267

<0.001

1.31

1.17-1.46

???/6.0-8.9*

0

0

1

9.0-14.9

-0.4

-0.404

<0.001

0.67

0.53-0.84

15.0+

-1.5

-1.544

<0.001

0.21

0.15-0.30

Constant

+3.6

3.590

<0.001