Reference
Jakobsen J, Bysted A, Andersen R, Bennett T, Brot C, Bügel S, Cashman KD, Denk E, Harrington M, Teucher B, Walczyk T,Ovesen L, 2009, Scand J Clin Lab Invest, 69(2), 190–197 , Vitamin D status assessed by a validated HPLC method: within and between variation in subjects supplemented with vitamin D3
| 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 | Serum |
| Measurand | 25-hydroxy vitamin D3 |
| Unit | nmol / L |
| Overall Analytical Principle Method | Chromatography; HPLC |
| Number of Subjects | 92 |
| Number of Subjects included in BV estimation | 92 |
| Ethinicity | Caucasian |
| Age Mean / Median | 62.0 |
| Age Min | |
| Age Max | |
| Age SD | |
| Number of Males | 0 |
| Number of Females | 92 |
| State of Well Being |
Healthy (excl pregnant)
|
| Diseases | |
| Study Duration Length | 20 |
| Study Duration Units | Month |
| Sampling Intervals, e.g. X sample(s) per Interval Unit | 16 |
| Interval Units | Week |
| Sampling Times | Start Time:
End Time: |
| Number of Samples | 5 |
| Average Number of Samples Used for BV Estimation | 5.0 |
| Average Number of Replicates | |
| Estimates of CVi | |
| Calculated Confidence Intervals of CVi | Lower: , Upper: |
| Estimates of CVg | |
| 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 |