Table 1.

Respiratory assessment: a comparison between spontaneous breathing and the intermittent abdominal pressure ventilator

	Spontaneous Breathing		IAPV/PBAir
	Min	Max	Min	Max
Frequency	25.4 cpm	35.3 cpm	14.2 cpm	14.2 cpm
Inspiratory Volume	172 mL	280 mL	771 mL	908 mL
Expiratory Volume	165 mL	277 mL	791 mL	923 mL
Flow	−32.2 Llpm	+ 33.5 lpm	−61.9 lpm	+ 56.1 lpm