Emerging resistance among bacterial pathogens in the intensive care unit--a European and North American Surveillance study (2000-2002).

Given the large number of isolate results included in the majority of analyses in this study, statistical analysis was not performed, as even subtle differences in percent resistance (<1%) to an antimicrobial agent for any time period or demographic parameters would be reported as highly significant ( P <0.001).

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Data from the NNIS system has previously reported an increasing trend towards resistance within ICUs in the United States [ 19 ].

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