Table 5

Laboratory: Calculated mean using mixed effects model at 0, 8, 16 and 24 hours after admission to the MICU.

Time (hrs)

0^a

8

16

24

p-value^b

p-value^c

Overall p-value

Na⁺

HH

139

148

153

151

<0.001

<0.001

<0.001

mmol/l

Control

139

141

141

142

0.001

Cl^-

HH

100

116

125

121

<0.001

<0.001

<0.001

mmol/l

Control

100

107

109

110

<0.001

K⁺

HH

4.1

3.8

3.9

3.9

0.542

0.798

0.869

mmol/l

Control

4.1

4.2

4.0

3.8

0.343

Ca²⁺

HH

2.29

2.07

2.03

2.01

<0.001

0.689

<0.001

mmol/l

Control

2.29

2.14

2.01

2.04

<0.001

Hb

HH

15.1

13.8

13.0

12.1

<0.001

0.158

<0.001

g/dl

Control

15.1

14.6

13.8

13.0

<0.001

Hematocrit

HH

0.45

0.41

0.39

0.36

<0.001

0.183

<0.001

Control

0.45

0.44

0.40

0.39

<0.001

pH

HH

7.28

7.29

7.31

7.33

0.098

0.253

0.043

Control

7.28

7.35

7.34

7.37

0.002

Osmolality

HH

311

320

319

318

0.015

<0.001

<0.001

mosm/kg

Control

311

302

299

299

<0.001

a Estimates based on mixed effects model, with no baseline differences assumed.

b Contrast from baseline at 24 hours

c Contrast between groups at 24 hours

Heradstveit et al. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2010 18:29   doi:10.1186/1757-7241-18-29