Mechanical test loads (M1–M6) as combinations of resistors and compliances (the same inertance tube was used in all test loads) and ventilation parameters
| Mechanical test load | M1 | M2 | M3 | M4 | M5 | M6 |
| Resistor (R) hPa·s·L−1 | R1 1.8#/1.9¶ | R2 4.5#/4.8¶ | R3 8.4#/8.7¶ | R4 11.8#/12.4¶ | R5 14.0#/14.2¶ | |
| Compliance (C) mL·hPa−1 | C1 16.80 | C2 2.95 | ||||
| Tidal volume mL | 700 | 700 | 700 | 300 | 300 | 300 |
| Frequency min−1 | 15 | 15 | 15 | 30 | 30 | 30 |
#: measured at 50 mL·s−1; ¶: measured at the mean flow of the ventilator setting.