25-hydroxy vitamin D3

Reference

Reference
Rejnmark L, Lauridsen AL, Brot C, Vestergaard P, Heickendorff L, Nexo E, Mosekilde L, 2006, Scand J Clin Lab Invest, 66, 227–238 , Vitamin D and its binding protein Gc: Long-term variability in peri- and postmenopausal women with and without hormone replacement therapy

Scoring

Total Score

C5,6,8,10,12,13

Parameter Score
1. Scale A
2. Study Population B
3. Samples B
4. Measurand A
5. Pre-Analytical C
6. Replicate Analysis C
7. Steady State B
8. Outlier Analysis C
9. Normality A
10. Variance Homogeneity C
11. ANOVA A
12. CI C
13. No of Results C
14. Concentrations B
15. Total Score C5,6,8,10,12,13
Comment

Item Details

Parameter Score
Matrix Plasma
Measurand 25-hydroxy vitamin D3
Unit nmol / L
Overall Analytical Principle Method Immunoassay; Other
Number of Subjects 187
Number of Subjects included in BV estimation
Ethinicity Caucasian
Age Mean / Median
Age Min 45.0
Age Max 58.0
Age SD
Number of Males
Number of Females 187
State of Well Being
Non-healthy (excl pregnant)
Diseases
Study Duration Length 5
Study Duration Units Year
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Other
Sampling Times Start Time:
End Time:
Number of Samples 4
Average Number of Samples Used for BV Estimation 4.0
Average Number of Replicates 1.0
Estimates of CVi 19.0
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

Coding