Table 3. Lung Volumes at Fixed Pressures.

Groups	Volume at −10 cm H2O (mL)	Volume at 0 cm H2O (mL)	Volume at 5 cm H2O (mL)	Volume at 10 cm H2O (mL)	Volume at 20 cm H2O (mL)	Volume at 35 cm H2O (mL)
Ctr	0.16 ± 0.02	0.38 ± 0.03	0.72 ± 0.04*	1.03 ± 0.06*	1.22 ± 0.06*	1.32 ± 0.06*
Neo CS	0.14 ± 0.01	0.42 ± 0.02	0.84 ± 0.02	1.19 ± 0.03	1.37 ± 0.03**	1.48 ± 0.03**
Adult CS	0.23 ± 0.04	0.51 ± 0.04†	0.92 ± 0.05†	1.32 ± 0.07†	1.60 ± 0.08†	1.72 ± 0.09†
Neo CS + Adult CS	0.20 ± 0.03	0.62 ± 0.07‡	1.03 ± 0.07‡	1.46 ± 0.07‡	1.76 ± 0.08‡	1.88 ± 0.08‡

Note. Quasistatic pressure-volume curves were performed and volumes (mL) were measured at −10, 0, 5, 10, 20, and 35 cm H2O (± SEM). n = 5–8 per group.

^*Ctr had significantly lower volumes at 5, 10, 20, and 35 cm H₂O compared to Neo CS (P < .04).

^**Neo CS had significantly lower volumes at 20 and 35 cm H₂O compared to Adult CS (P < .03).

^†Adult CS had significantly higher volumes at 0–35 cm H₂O compared to Ctr (P < .04).

^‡Neo CS + Adult CS had significantly higher volumes at 0 to 35 cm H₂O compared to both Ctr and Neo CS (P < .01).