1. Trends and changes in Clostridium difficile diagnostic policies and their impact on the proportion of positive samples: a national survey 
A. Adler, Y. Schwartzberg, Z. Samra, O. Schwartz, Y. Carmeli, M.J. Schwaber 
Clinical Microbiology and Infection 
Volume 20, Issue 11, Pages O904-O910 (November 2014)
DOI: /
Copyright © 2014 European Society of Clinical Infectious Diseases Terms and Conditions

2. FIG. 1
Recruitment and classification of participating laboratories. GH, general hospital; HMO, health maintenance organization; CDT, Clostridium difficile toxin; GDH, glutamate dehydrogenase antigen. Laboratories were classified according to their use of CDT PCR in the second period as follows: group A, if they were using CDT PCR exclusively or in most cases (>90%) of GDH+/CDT− samples; group B, if they did not perform CDT PCR at all or in only a minority (<20%) of GDH+/CDT− samples.
Clinical Microbiology and Infection  , O904-O910DOI: ( / )
Copyright © 2014 European Society of Clinical Infectious Diseases Terms and Conditions