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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2017, Vol. 22 ›› Issue (4): 439-442.

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Correlation between detection rate of clindamycin-resistant Staphylococcus aureus and utilization of antibacterial drugs

JIANG Cheng 1, LV Jiangang 2, LI Fangqiong 1, YE Zuowu 1, LU Chunfang 1, LI Gonghua 1   

  1. 1 Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, China; 2 Zhejiang Keland Information & Technology Co., Ltd., Hangzhou 310022, Zhejiang, China
  • Received:2016-05-30 Revised:2016-07-19 Online:2017-04-26 Published:2017-04-26

Abstract:

AIM: To provide information for reasonable clinical application of antibacterial drugs, the partial least squares (PLS) regression models were established for analyzing the correlation between detection rate of clindamycin-resistant Staphylococcus aureus (CRSA) and utilization of antibacterial drugs.  METHODS: The PLS regression models were established with the defined daily doses (DDDs) of antibacterial drugs as independent variables and the detection rates of CRSA with same and different periods as dependent variables. The lag between detection rates of CRSA and utilization of antibacterial drugs were investigated. The antibacterial drugs, which were highly correlated with the detection rate of CRSA, were screened according to the variable importance (VIP) values. RESULTS: The detection rate of CRSA lagged about two quarters behind the utilization of antibacterial drugs, and was significantly positively correlated with the DDDs of cefoperazone/sulbactam, azithromycin and cefuroxime. CONCLUSION: It was effective to employ PLS regression algorithm to simultaneously analyze the correlation between detection rate of CRSA and utilization of multiple antibacterial drugs. This research provided a new scientific tool for the investigation of CRSA.

Key words: partial least squares regression, antibacterial drugs, defined daily doses, clindamycin-resistant Staphylococcus aureus

CLC Number: