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Table 3 The EEP produced by different nasal cannulae for different gender

From: Factors influencing nasal airway pressure and comfort in high-flow nasal cannula oxygen therapy: a volunteer study

Flow rate

5 mm cannula

4 mm cannula

3 mm cannulae

(L/min)

Man

Woman

Man

Woman

Man

Woman

0

0.63(0.21)

0.70(0.54)

0.48(0.52)

0.49(0.37)

0.43(0.43)

0.53(0.38)

10

1.17(0.49)

1.58(1.07)

0.96(0.55)

0.95(0.66)

1.00(0.74)

0.85(0.43)

20

1.76(1.19)

2.96(1.42)#

1.31(0.61)

1.75(0.90)

1.06(0.79)

1.65(0.70)

30

2.58(1.92)

4.05(1.95)#

2.11(0.66)

2.49(1.69)#

2.04(1.10)

2.47(0.95)#

40

3.84(2.94)

5.57(2.52)#

3.20(0.75)

3.67(2.44)

2.91(1.92)

3.61(0.78)#

50

5.11(3.73)

7.24(2.68)#

4.47(0.99)

4.99(2.68)

3.81(2.15)

4.75(1.45)

60

6.05(4.80)

8.79(3.39)#

5.63(1.69)

6.69(2.68)#

4.98(1.80)

5.82(1.89)

  1. The value is the median (IQR), # represents the significant difference in EEP between different genders under the same flow rate and the same nasal cannula, P < 0.05