Table 2.

Curve parameters (a, b, and c) describing the relationships between $\dot{\text{V}}$_E and $\dot{\text{V}}$CO₂, between HR and $\dot{\text{V}}$O₂ and between V_T and $\dot{\text{V}}$_E.

	EP-born participants		Term-born participants
	Male (n = 11)	Female (n = 20)	Male (n = 12)	Female (n = 22)
1991–1992 birth-cohort (age 10 years)
$\dot{\text{V}}$E = a + b·$\dot{\text{V}}$CO2
a	2.4 ± 1.5	2.2 ± 1.4	2.3 ± 1.3	2.1 ± 1.6
b	32.8 ± 2.1*	32.1 ± 2.8	29.5 ± 2.2	30.7 ± 3.4
HR = a + b·$\dot{\text{V}}$O2
a	75 ± 12	70 ± 10	74 ± 13	77 ± 16
b	93 ± 10*	100 ± 15*	79 ± 9	82 ± 18
VT = a + b·$\dot{\text{V}}$E + c·${\dot{\text{V}}}_{\text{E}}^2$
a	0.17 ± 0.09	0.17 ± 0.10	0.14 ± 0.10	0.22 ± 0.20
b (·10−2)	2.4 ± 1.0	2.6 ± 0.6	3.0 ± 0.9	2.8 ± 0.8
c (·10−4)	−2.0 ± 1.6	−1.9 ± 1.0	−2.1 ± 1.1	−2.1 ± 1.4
	Male (n = 20)	Female (n = 17)	Male (n = 25)	Female (n = 20)
1982–1985 birth-cohort (age 18 years)
$\dot{\text{V}}$E = a + b·$\dot{\text{V}}$CO2
a	2.7 ± 1.7	3.3 ± 1.9	2.3 ± 2.0	4.2 ± 1.6
b	25.4 ± 2.0	26.2 ± 3.9	25.1 ± 2.8	25.2 ± 3.1
HR = a + b·$\dot{\text{V}}$O2
a	65 ± 11	68 ± 13	68 ± 12	75 ± 14
b	40 ± 8	57 ± 9	39 ± 5	51 ± 12
VT = a + b·$\dot{\text{V}}$E + c·${\dot{\text{V}}}_{\text{E}}^2$
a	0.24 ± 0.20	0.09 ± 0.17	0.29 ± 0.16	0.17 ± 0.16
b (·10−2)	3.7 ± 0.9	4.5 ± 1.2	3.8 ± 0.9	4.0 ± 1.1
c (·10−4)	−1.8 ± 0.8	−3.5 ± 1.9*	−1.7 ± 1.0	−2.4 ± 1.1

Mean ± 1 standard deviation.

^*significantly different from controls of same sex p < 0.05

$\dot{\text{V}}$O₂ oxygen uptake, $\dot{\text{V}}$CO₂ carbon dioxide output, $\dot{\text{V}}$_E minute ventilation, HR heart rate.