2.3.4. Sample Size
The objective of this experimental validation is not to establish the superiority of CPAP-AirFlife™ over a conventional CPAP delivery device (such as the General Electric model R860 ventilator) but rather to demonstrate that it is not inferior or of lower quality than the latter. Based on the null hypothesis Ho, which assumes that CPAP-AirFlife™ is inferior to conventional CPAP 