Table 4.

Blood gas and hemoglobin parameters during Protocol 2

	pH	pO2, mmHg	pCO2, mmHg	CtO2, ml/dl	CtCO2, ml/dl	FO2Hb, %	VO2, ml/min	Hct, %	tHb, g/dl
Protocol 2 (n = 9)
Rest	7.37 ± 0.02	28.4 ± 1.8	48.3 ± 2.5	10.2 ± 0.8	28.7 ± 0.8	48.6 ± 3.9	3.1 ± 0.3	44.0 ± 1.1	14.9 ± 0.4
100 mmHg RFC	7.37 ± 0.01	36.9 ± 3.9*	46.7 ± 1.6	13.4 ± 1.4*	27.7 ± 0.6	62.4 ± 5.5*	2.6 ± 0.4	44.8 ± 1.3	15.2 ± 0.4*
Rest	7.36 ± 0.01	28.5 ± 1.7	49.0 ± 2.2	10.1 ± 0.9	28.4 ± 1.7	48.2 ± 3.8	2.9 ± 0.3	43.8 ± 1.2	14.9 ± 0.4
5% MVC RHG	7.33 ± 0.01*†	21.9 ± 0.6*†	51.1 ± 2.3	6.1 ± 0.5*†	28.4 ± 1.3	30.8 ± 1.9*†	14.3 ± 1.3*†	43.2 ± 1.2†	14.7 ± 0.4*†
Rest	7.37 ± 0.01	28.9 ± 1.9	46.8 ± 1.4	10.3 ± 1.2	27.5 ± 0.6	48.6 ± 4.5	2.9 ± 0.4	43.7 ± 1.5	14.8 ± 0.5
RFC + RHG	7.34 ± 0.01*†	21.9 ± 0.6*†	51.8 ± 1.4*†	6.7 ± 0.6*†	29.0 ± 0.8*	31.9 ± 2.0*†	16.1 ± 1.3*†‡	43.3 ± 1.3†	14.7 ± 0.4†

Values are means ± SE.

^*P < 0.05 vs. Rest;

^†P < 0.05 vs. RFC;

^‡P = 0.052 vs. RHG.