103(66.03%) of the 156 strains were gram-positive cocci,Staphylococcus epidermidis(56 strains,54.37%),Staphylococcus haemolyticus(7 strains,6.80%) were the main gram-positive cocci;

• 革兰阳性(G+)球菌103株(66.；03%25)；以表皮葡萄球菌(56株；54