Positive blood culture was found in 71 patients (57.7%) of viridans streptococci (32.4%), staphylococcus epidermidis (15.5%).

血培养阳性率为57.7％，其中主要致病菌是草绿色链球菌（32.4％）和表皮葡萄球菌（15.5％）。

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Methods The serum PCT of 335 cases of blood stream infection with positive blood culture results were analyzed.

方法采用回顾性分析的方法，对335例血培养阳性血流感染患者的血清PCT检测结果进行分析。

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The presentation as pain, fever, and positive blood culture will make it more difficult to distinguish from spinal infection.

当患者表现为疼痛、发烧、血培养阳性时，与脊柱感染相鉴别就更为困难了。

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