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. Author manuscript; available in PMC: 2015 Jun 17.

Published in final edited form as: Eur J Appl Physiol. 2011 Jun 9;112(2):699–709. doi: 10.1007/s00421-011-2025-x

Table 4.

Venous blood-gas responses to exercise and hypoxia

	Normoxia			Hypoxia
	Rest	8 (kg)	12 (kg)	Rest	8 (kg)	12 (kg)
PvO₂ (Torr)^‡
Lean	36 ± 2	28 ± 2^a	28 ± 2^a	28 ± 1	23 ± 2^a	22 ± 1^a
Obese	39 ± 3	28 ± 2^a	29 ± 3^a	32 ± 1	21 ± 1^a	23 ± 2^a
MetSyn	43 ± 4	27 ± 3^a	27 ± 2^a	32 ± 2	23 ± 1^a	23 ± 1^a
PvCO₂ (Torr)^‡
Lean	41 ± 2	51 ± 3^a	47 ± 4^a	40 ± 2	45 ± 3^a	46 ± 4^a
Obese	38 ± 2	44 ± 4^a	45 ± 2^a	33 ± 2	43 ± 3^a	47 ± 2^a
MetSyn	40 ± 3	46 ± 4^a	52 ± 3^a	35 ± 2	42 ± 3^a	48 ± 3^a
Venous pH (units)^‡
Lean	7.38 ± 0.01	7.32 ± 0.01^a	7.30 ± 0.01^a	7.40 ± 0.01	7.36 ± 0.01^a	7.38 ± 0.05^a
Obese	7.38 ± 0.01	7.35 ± 0.00^a	7.33 ± 0.01^a	7.42 ± 0.01	7.37 ± 0.01^a	7.35 ± 0.01^a
MetSyn^†	7.37 ± 0.01	7.32 ± 0.01^a	7.29 ± 0.01^a	7.40 ± 0.01	7.35 ± 0.01^a	7.32 ± 0.01^a

Lean n = 13, Obese n = 11, MetSyn n = 8. Data are presented as Mean ± SE

Main effect of group:

^†

p < 0.05 versus obese

Main effect of exercise:

^a

p < 0.05 versus rest

^‡

Main effect of hypoxia