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However, one might speculate that it might be possible to stop antibiotic therapy successfully, if PCT values have fallen for some weeks below a specific cut-off value.
Alternatively, PrPSc accumulation might proceed in animals inoculated with PrPSc when the PrPSc concentration is below a specific cut-off, but the animals might not develop the disease within their lifetimes.
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This was followed by analyses based on single instruments at a specific cut-off.
Unlike our study, these studies did not use a specific cut-off point to define frailty.
The prior chance of a CAMCOG score below the age and education specific cut-off for dementia and/or a memory section score below the cut-off for aMCI in older persons with a positive and negative index test together was 15.6 %.
Children's domain-specific scores are converted into a dichotomous measure of vulnerability based on whether or not the score falls below a domain-specific cut-off score equal to the bottom 10% of average percent rate in each scale for the province, based on the first cycle of data collected in British Columbia.
We nebulised 3487 children of non-severe pneumonia with wheeze and in 46% (n = 1604), the respiratory rate returned to below age-specific cut-off (Figure 1).
Discharge was considered when the child's respiratory rate reduced below the age-specific cut-off, with absence of chest indrawing, hypoxemia and fever for at least 24 hours.
We have found that among cases of non-severe pneumonia and wheeze, the respiratory came back below age specific cut-offs in 46% (1605/3487) children and thus there was no need to prescribe antibiotic.
The weighted PPV of the FP label 'possible cognitive impairment or dementia' for a CAMCOG score below the age and education specific cut-offs for dementia or aMCI was 47.1 % (95 %-confidence interval: 43.5 – 62.4 %).
For specific cut-offs on a scale the ROC-area was calculated as (sensitivity + specificity)/2.
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