Table 2 The changes of the volumetric, area, and linear parameters before operation (T0) and after operation (T1)
Airway changes | T0 | T1 | T1-T0 | P |
|---|---|---|---|---|
Volume | ||||
Nasopharynx(mm3) | 9484.23(2719.56) | 9658.57(2890.94) | 174.34(1983.20) | 0.537 |
Oropharynx(mm3) | 7762.84(3146.24) | 7275.49(3578.92) | -487.36(2446.79) | 0.165 |
Hypopharynx(mm3) | 10,509.93(3596.91) | 9848.32(3822.54) | -661.61(2341.71) | 0.051 |
Total pharynx(mm3) | 27,757.01(7950.94) | 26,782.39(1271.56) | -974.63(5372.76) | 0.206 |
Area | ||||
MCA(mm2) | 244.32(110.88) | 210.38(105.06) | -33.94(82.37) | 0.005** |
Liner | ||||
MCA-TV(mm) | 24.24(7.51) | 23.88(6.92) | -0.36(5.99) | 0.676 |
MCA-AP(mm) | 12.87(4.36) | 11.81(3.64) | -1.06(2.94) | 0.014* |