Strain, sex, number Lewis male (n=9) Lewis female (n=7) SD male (n=8) SD female (n=16)
pH 7.38 ± 0.07 7.38 ± 0.09 7.34 ± 0.03 7.37 ± 0.04
PaCO2 (mm Hg)
51 ± 13
45 ± 10
50 ± 13
48 ± 7
PaO2 (mm Hg)
428 ± 103
350 ± 71
495 ± 140
405 ± 168
HCO3 (mmol L-1)
29 ± 3
26 ± 4.4
27 ± 7
28 ± 3.3
Base Excess (mmol L-1)
4.1 ± 2.8
1.3 ± 5.1
1.2 ± 7
2.4 ± 3.3
Sodium (mmol L-1)
145 ± 3
145 ± 3.2
146 ± 4
142 ± 2.3
Potassium (mmol L-1)
4 ± 0.6
3.8 ± 0.5
3.8 ± 0.8
3.7 ± 0.7
Ionized Calcium (mmol L-1) 1.28 ± 0.08 1.2 ± 0.1 1.22 ± 0.2 1.29 ± 0.07
Chloride (mmol L-1)
107 ± 3
110 ± 4.2
107 ± 4
105 ± 5
Anion Gap (mmol L-1)
13 ± 3
12 ± 1.1
12 ± 1.6
12 ± 1.9
Haematocrit (%)
35 ± 5
31 ± 6
31 ± 6
28 ± 7
Haemoglobin (g dl-1)
11.8 ± 1.8
10.7 ± 2
10.6 ± 2
10.0 ± 2.2
Glucose (mmol L-1)
6.2 ± 1.2
6.3 ± 1.5
6.4 ± 2
5.9 ± 1.3
Lactate (mmol L-1)
0.6 ± 0.2
0.6 ± 0.4
1.7 ± 2.3
1.9 ± 2.6
Creatinine (mmol L-1)
13 ± 13
27 ± 11
43 ± 14
35 ± 11