Table 2

proportional selection rules for DUTY follow-up
Category Definition Location Proportion to be sampled at Day 14
> 105 CFU/ml Pure or 1 predominant species BOTH NHS lab and Central research lab 100% (All)
>103 and < 105 CFU/ml Pure or 1 predominant species Central research lab 20% in total (combination of both categories)
>105 CFU/ml 2 or more species BOTH NHS lab and Central research lab
< 103 CFU/ml and ‘No Growth’ BOTH NHS lab and Central research lab 10%

Downing et al.

Downing et al. BMC Infectious Diseases 2012 12:158   doi:10.1186/1471-2334-12-158

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