Table 3.

The EEP produced by different nasal cannulae for different gender

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)

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