Table 1 Demographic and ventilatory variables by subgroup. N = 67

Age (months)

8.6 ± 5.7

34.5 ± 15.6^a

106.3 ± 25.6^{a, b}

p < 0.001

Weight (Kg)

8.4 ± 3.9

15.7 ± 7.0^a

41.5 ± 19.9^{a, b}

p < 0.001

Vt (ml/Kg)

7.7 ± 0.8

7.8 ± 0.8

7.2 ± 1.3

p = 0.147

PI_p (cmH₂O)

15.0 ± 2.3

17.1 ± 6.7

15.5 ± 2.6

p = 0.304

C_dyn (ml/cmH₂O)

6.9 ± 3.1

10.7 ± 4.9

20.4 ± 7.4^{a, b}

p < 0.001

Fasting (hours)

3.5 ± 4.5

5.9 ± 5.4

7.2 ± 5.2

p = 0.099