Reference
Midttun Ø, Townsend MK, Nyga ̊rd O, Tworoger SS, Brennan P,Johansson M, Ueland PM, 2014, J Nutr, 144(5), 784-90 , Most Blood Biomarkers Related to Vitamin Status, One-Carbon Metabolism, and the Kynurenine Pathway Show Adequate Preanalytical Stability and Within-Person Reproducibility to Allow Assessment of Exposure or Nutritional Status in Healthy Women and Cardiovascular Patients
Parameter | Score |
---|---|
1. Scale | A |
2. Study Population | D |
3. Samples | NA |
4. Measurand | NA |
5. Pre-Analytical | NA |
6. Replicate Analysis | NA |
7. Steady State | NA |
8. Outlier Analysis | NA |
9. Normality | NA |
10. Variance Homogeneity | NA |
11. ANOVA | NA |
12. CI | NA |
13. No of Results | NA |
14. Concentrations | NA |
15. Total Score | D2 |
Comment | no information about health status of subjects is provided |
Parameter | Score |
---|---|
Matrix | Plasma |
Measurand | 25-hydroxy vitamin D3 |
Unit | nmol / L |
Overall Analytical Principle Method | Chromatography; HPLC |
Number of Subjects | 40 |
Number of Subjects included in BV estimation | 40 |
Ethinicity | Caucasian |
Age Mean / Median | 62.0 |
Age Min | 51.0 |
Age Max | 68.0 |
Age SD | |
Number of Males | 0 |
Number of Females | 40 |
State of Well Being |
Healthy (excl pregnant)
|
Diseases | |
Study Duration Length | 2 |
Study Duration Units | Year |
Sampling Intervals, e.g. X sample(s) per Interval Unit | 2 |
Interval Units | Year |
Sampling Times | Start Time:
End Time: |
Number of Samples | 2 |
Average Number of Samples Used for BV Estimation | 2.0 |
Average Number of Replicates | 1.0 |
Estimates of CVi | 14.0 |
Calculated Confidence Intervals of CVi | Lower: , Upper: |
Estimates of CVg | 22.0 |
Calculated Confidence Intervals of CVg | Lower: , Upper: |
Analytical CV | |
Calculated Confidence Intervals of Analytical CV | Lower: , Upper: |
Measurand Mean | |
Measurand Min | |
Measurand Max | |
Measurand SD |