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The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases
standardization survey vitamin D trend NHANES supplements
2018/12/13
Background: Temporal trends in the US population’s vitamin D status have been uncertain because of nonstandardized serum 25-hydroxyvitamin D [25(OH)D] measurements.
The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases
standardization survey vitamin D trend NHANES supplements
2018/12/3
Background: Temporal trends in the US population’s vitamin D status have been uncertain because of nonstandardized serum 25-hydroxyvitamin D [25(OH)D] measurements.
Comparing the quality of indicators of nutritional status by receiver operating characteristic analysis or by standardized differences
nutritional status receiver operating characteristic
2016/6/3
The publication of the article by Rice et al (1) in this issue of
the Journal is a good occasion to review the use of the receiver
operating characteristic (ROC) method almost 30 y after it was
int...