Results 66 case is masculine, detection rate of common is 82. 5% ,the detection rate of simple anaerobe and aerobe is 27. 3% and 33. 3% in the masc specimen.

• 结论检出的厌氧茵中以革兰氏阴性杆菌多见60.；7%25(34/56)；需氧菌中同样以革兰氏阴性杆菌多见60