In wound culture, Pseudomonas aeruginosa ranked the top (19.5%) while Staphylococcus aureous fell to the sixth, Gram negative bacillus accounted for 73.5%, Gram positive coccus 22.2%.

• 5年内重要菌群G(上标-)杆菌居首位，近3年常用抗菌药物如头孢他啶等耐药性较前2年明显增加。