Table 1

Estimates ± S.E. of the individual kinetic parameters for C12 disposal and CO₂ expiration, obtained by the model with linear tissue uptake (model B)

Parameter	Subjects		Mean
Parameter	1 (22.7)	2 (23.3)	Mean	3 (25.2)	4 (24.5)	5 (28.6)	6 (28.7)
	Liter
V	6.13 ± 0.20	4.38 ± 0.19	6.74 ± 0.24	6.98 ± 0.28	6.70 ± 0.34	7.41 ± 0.33	6.39
	mM
a	0.28 ± 0.22	0.74 ± 0.12	^1-a	0.50 ± 0.09	0.74 ± 0.19	0.84 ± 0.12	0.53
	ml/min
ϱ	3.29 ± 0.37	3.15 ± 0.36	2.16 ± 0.22	3.51 ± 0.42	7.83 ± 1.31	6.79 ± 1.01	4.45
ϱ_t	55.6 ± 5.59	52.1 ± 0.30	46.4 ± 1.16	81.2 ± 5.47	117 ± 16	137 ± 15	81.6

α	0.72 ± 0.04	0.70 ± 0.03	0.67 ± 0.05	0.53 ± 0.03	0.59 ± 0.03	0.53 ± 0.03	0.62
α′	0.18 ± 0.03	0.29 ± 0.03	0.33 ± 0.03	0.24 ± 0.02	0.22 ± 0.02	0.21 ± 0.02	0.24
	min
τ	149 ± 22	175 ± 12	208 ± 18	195 ± 14	214 ± 11	163 ± 13	184

BMI values (kg/m²) are indicated in parentheses.

↵1-a Estimated a virtually equal to zero.