Fig 1.
Schematic representation of the model.
Fig 2.
Study flowchart.
Table 1.
Anthropometric and spirometric values of healthy.
Fig 3.
Absolute values of MIP and MEP in device 1 and device 2.
Table 2.
Values of maximal respiratory pressure of both manometers.
Fig 4.
Bland-Altman plot show as the concordance of values of MIP and MEP.
Each circle means the difference between the measured pressure of both manometer inline. Its method has a 95% of confidence limits, determinate for two standard deviations. If 95% of the sample is between lower and highest limits of confidence, exist agreement.