Table 6.
The pressure produced by different devices
| Flow rate(L/min) | EEP | EIP | ||||
|---|---|---|---|---|---|---|
| HFT-300 | H-80 M | Gap of EEP | HFT-300 | H-80 M | Gap of EIP | |
| 10 | 0.94(0.46) | 1.07(0.57) | −0.03(0.02) | − 0.61(0.58) | −0.55(6.32) | − 0.01(0.31) |
| 20 | 1.70(0.80) | 1.93(0.85)* | 0.20(0.55) | −0.08(0.55) | −0.06(0.54)# | 0.11(0.53) |
| 30 | 2.31(0.82) | 2.87(1.34)* | 0.37(0.59) | 0.28(0.54) | 0.64(0.67)# | 0.17(0.47) |
| 40 | 3.25(1.19) | 4.39(1.88)* | 0.66(1.01) | 0.96(0.79) | 1.54(1.07)# | 0.48(0.78) |
| 50 | 4.47(1.81) | 5.71(22.78)* | 1.07(1.22) | 1.49(1.24) | 2.25(1.30)# | 0.72(0.74) |
| 60 | 6.01(2.21) | 7.40(3.21)* | 1.16(1.09) | 2.27(1.41) | 3.12(1.45)# | 0.62(1.30) |
Values are median (IQR), * represents P < 0.05 compared to EEP of HFT-300 at the same flow rate, # represents P < 0.05 compared to EIP of HFT-300 at the same flow rate