All of the isolates were tested by Kirby-Bauer susceptibility, and the antibiotic resistance was judged according to NCCLS standard.

• 用K-B法进行药敏实验，按NCCLS标准判断细菌耐药性，并对革兰氏阳性球菌和革兰氏阴性杆菌排位前三位的病原菌耐药性进行分析。