Of 22 849 clinical isolates, Gram positive organisms accounted for 30.4% (6490 isolates), Gram negative organisms for 69.6% (15 909 isolates).

• 2 2 84 9株细菌中 ；革兰阳性球菌 6 94 0株 ( 30 .；4%25 )；革兰阴性菌 15 90 9株 ( 6 9