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Table 1 Respiratory assessment: a comparison between spontaneous breathing and the intermittent abdominal pressure ventilator

From: Efficacy of new intermittent abdominal pressure ventilator for post-ischemic cervical myelopathy ventilatory insufficiency

  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