Mucociliary transport rate (MTR) in patients at 4m postoperatively was significantly longer than that in the patients at 10m and the controls, and there was no significantly difference between the controls and the patients at 10m postoperatively.

• 糖精实验术后4个月与术后10个月及正常对照组MTR之间均存在显著差异（p<0.；05），术后10个月与正常对照组间无显著差异。