Nonutility of repeat laboratory testing for detection of Clostridium difficile by use of PCR or enzyme immunoassay.

  title={Nonutility of repeat laboratory testing for detection of Clostridium difficile by use of PCR or enzyme immunoassay.},
  author={Elisabeth Aichinger and Cathy D. Schleck and William Scott Harmsen and Lisa M Nyre and Robin Patel},
  journal={Journal of clinical microbiology},
  volume={46 11},
The diagnostic gains of repeat testing for Clostridium difficile by enzyme immunoassay and PCR (i.e., initial negative result followed by positive result) within a 7-day period were 1.9 and 1.7%, respectively. There is little value of repeat testing for C. difficile by enzyme immunoassay or PCR. 
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