Table 5 Odds ratios for in-hospital mortality 24 h after critical care admission

Female vs. male

0.84

0.75, 0.94

< 0.01

Age, per decade older

1.23

1.19, 1.28

< 0.001

Co-morbidities

< 0.001

 None or 1

1.00

Reference category

 2

1.39

1.14, 1.71

 3 or more

2.44

1.75, 3.40

Lowest total Glasgow Coma score

0.84

0.82, 0.85

P < 0.001

Body temperature

 Minimum temperature, per ⁰C below 37⁰C

1.22

1.13, 1.32

< 0.001

 Minimum temperature, per ⁰C above 37⁰C

1.56

1.19, 2.05

< 0.01

 Maximum temperature, per ⁰C below 38⁰C

1.24

1.11, 1.39

< 0.001

Maximum heart rate per 10 beats per minute above 90

1.20

1.17, 1.23

< 0.001

Minimum systolic blood pressure per 10mmHg below 110mmHg

1.09

1.05, 1.14

< 0.001

Minimum respiratory rate (10 breaths per min)

1.42

1.23, 1.63

< 0.001

Urine output

 per litre below 2.5 L

1.31

1.20, 1.44

< 0.001

 per litre above 2.5 L

1.30

1.22, 1.38

< 0.001

Minimum serum sodium

per 10mmol/l below 140mmol/l

1.29

1.13, 1.46

< 0.001

per 10mmol/l above 140mmol/l

1.79

1.49, 2.14

< 0.001

Maximum serum urea per 1mmol/l below 10mmol/l

0.93

0.90, 0.95

< 0.001

Minimum white blood cell count per 1 × 10⁹/L below 25 × 10⁹/L

1.03

1.01, 1.05

< 0.05