The inci-dence of dehiscent tegmen tympani in well pneuma-tized group(8.0 %) was higher than that in poor pneu-matized group(8.7 %).
The inci-dence of dehiscent tegmen tympani in well pneuma-tized group(8.0 %) was higher than that in poor pneu-matized group(8.7 %).
气化良好组鼓室盖不连续(8.0%)发生率高于气化不良组(8.7%,P<0.0)。