Seventy six colonies were identified with positive rate of 71.7% , of which, 58(76.3%) were gram negative bacteria(GNB), 10(13.2%) gram positive, and 8(10.5%) fungus.

• 32例病人共分离出菌株 76株 ；阳性率 71 .；7%25；其中混合感染 1 0例次。 其中革兰阴性杆菌 (GNB) 5 8株；占 76