Table 3.

Indexes of diffusing capacity at baseline and after exercise in a dehydrated state, exercise in a euhydrated state, and a time-matched rest period

	Dehydration	Control	Rest
DlCO, mmol·min−1·kPa−1
Baseline	10.14 ± 2.81	9.92 ± 2.69	10.16 ± 2.87
90 min post	10.07 ± 2.85	9.72 ± 2.53	9.71 ± 2.61
KCO, mmol·min−1·kPa−1·l−1
Baseline	1.65 ± 0.22	1.65 ± 0.25	1.63 ± 0.27
90 min post	1.63 ± 0.20	1.60 ± 0.22	1.57 ± 0.25
Va, liters
Baseline	6.16 ± 1.55	6.05 ± 1.45	6.13 ± 1.51
90 min post	6.18 ± 1.58	6.13 ± 1.50	6.21 ± 1.53

Values are means ± SD for 9 participants. Dl_CO, diffusing capacity of the lung for carbon monoxide; K_CO, transfer coefficient; Va, alveolar volume.