Methods 614 sputum samples were detected by centrifuging the liquored sputa and collecting and normal smear method simultaneously.The detection rate was compared between two methods.

• 方法对614份痰标本同时进行夹层杯集菌离心涂片法与普通痰涂片法检测抗酸杆菌，比较2种方法的检出率。