The 12th Edition of the Scientific Days of the National Institute for Infectious Diseases “Prof. Dr. Matei Bals” and the 12th National Infectious Diseases Conference : Bucharest, Romania. 23–25 November 2016

The decrease in biofilm density as measured by the rate of change (ROC) was higher for the Gram-negative model compared with the Gram-positive model, but statistical significance was ascertained only for Intesti (p < 0.001, Z = −3.712 at 1/64 dilution, and borderline significance at 1/2 dilution: p = 0.050, Z = −1.959).

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1/36, 2.8 %) but the difference failed to reach statistical significance, probably due to the small number of overall positive cultures (p = 0.674, χ(1) = 0.924).

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