Table 4. Pressure changes in different sections of the upper airways from patients with and without OAs(Pa).

Section	Without OAs	With OAs	p-value
	Mean ± SD	Mean ± SD
A	101303.61±18.37	101305.24±16.79	0.093
B	101308.52±8.46	101313.48±6.37	0.065
C	101240.25±16.24	101264.13±23.10	0.005**
D	101263.49±12.12	101272.34±13.47	0.039*
E	101255.58±20.66	101261.73±18.36	0.063

* P<0.05;

** P<0.01