. 2005 Jan 11;9(2):R66–R73. doi: 10.1186/cc3021

Table 2.

Arterial hemoglobin, acid-base and metabolic parameters in sham, normal and increased blood flow groups

Parameter	Group	Basal	Endotoxemia

			30 min	60 min	90 min	120 min
Hemoglobin (g/l)	Sham	9.6 ± 2.4	9.7 ± 2.7	9.9 ± 2.3	9.8 ± 2.2	9.9 ± 2.2
	Normal	9.1 ± 2.3	9.0 ± 2.4	8.4 ± 2.0*	8.1 ± 2.2*	8.3 ± 2.4*
	Increased	8.9 ± 2.2	8.2 ± 2.3*	7.8 ± 2.4*	7.6 ± 2.5*	7.7 ± 2.5*
pH	Sham	7.44 ± 0.03	7.45 ± 0.02	7.45 ± 0.03	7.47 ± 0.02	7.47 ± 0.03
	Normal	7.39 ± 0.07	7.34 ± 0.08*†	7.31 ± 0.05*†	7.34 ± 0.05*†	7.35 ± 0.06*†
	Increased	7.42 ± 0.04	7.35 ± 0.05*†	7.31 ± 0.05*†	7.28 ± 0.08*†	7.25 ± 0.08*†‡
PCO₂(mmHg)	Sham	35 ± 3	34 ± 3	34 ± 3	33 ± 3	34 ± 4
	Normal	35 ± 4	38 ± 6*	41 ± 7*	37 ± 6	35 ± 6
	Increased	34 ± 2	36 ± 5	34 ± 3	34 ± 5	37 ± 6
PO₂(mmHg)	Sham	85 ± 13	88 ± 18	86 ± 16	88 ± 17	84 ± 15
	Normal	87 ± 16	119 ± 59	105 ± 39	123 ± 20*†	134 ± 43*†
	Increased	90 ± 23	150 ± 48*†	132 ± 21*†	101 ± 20	99 ± 31
[HCO₃^-] (mmol/l)	Sham	24 ± 2	24 ± 3	24 ± 3	24 ± 3	24 ± 3
	Normal	21 ± 2	21 ± 2	20 ± 2†	20 ± 2*†	19 ± 2*†
	Increased	22 ± 3	20 ± 2*†	17 ± 3*†	16 ± 3*†‡	16 ± 2*†‡
Base excess (mmol/l)	Sham	1 ± 3	1 ± 3	1 ± 3	2 ± 3	2 ± 3
	Normal	t2 ± 4	t5 ± 3*†	t5 ± 2*†	t5 ± 3*†	t5 ± 3*†
	Increased	t1 ± 4	t4 ± 3*†	t8 ± 4*†	t10 ± 4*†	t10 ± 3*†‡
[Cl^-]/[Na⁺]	Sham	0.76 ± 0.02		0.76 ± 0.03		0.76 ± 0.03
	Normal	0.76 ± 0.01		0.77 ± 0.02		0.77 ± 0.01
	Increased	0.76 ± 0.02		0.78 ± 0.02*		0.80 ± 0.02*†‡
Lactate (mmol/l)	Sham	2.1 ± 0.7		2.0 ± 0.7		1.8 ± 0.6
	Normal	1.7 ± 0.8		1.9 ± 0.7		2.2 ± 1.1
	Increased	2.2 ± 1.6		1.7 ± 1.1		1.9 ± 1.1

* P < 0.05 versus basal. † P < 0.05 versus sham. ‡ P < 0.05 versus normal. Sham, sham group; normal, normal blood flow group; increased, increased blood flow group.