They showed significant difference in drug resistance against SMZco, gentamycin, amoxicillin/clavulanic, pefloxacin and ticarcillin.

• 痰与分泌物分离的大肠埃希菌对头孢他啶、环丙沙星、阿莫西林／克拉维酸的耐药率差异有显著性。