25-hydroxy vitamin D3

Reference

Reference
Aakre KM, Ottesend AH, Strandf H, Faareng AL, Alaourh B, Torsvik J, Sylte MS, Marber M, Christensen G, Helge Røsjø H, Omlande T, 2021, Clin Biochem, aop, aop , Biological variation of secretoneurin; a novel cardiovascular biomarker implicated in arrhythmogenesis

Scoring

Total Score

B1,6

Parameter Score
1. Scale B
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis B
7. Steady State A
8. Outlier Analysis A
9. Normality A
10. Variance Homogeneity A
11. ANOVA A
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score B1,6
Comment

Item Details

Parameter Score
Matrix Serum
Measurand 25-hydroxy vitamin D3
Unit ug / ug
Overall Analytical Principle Method Chemiluminescence
Number of Subjects 11
Number of Subjects included in BV estimation 11
Ethinicity Unknown
Age Mean / Median
Age Min 18.0
Age Max 50.0
Age SD
Number of Males
Number of Females 11
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 4
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 8:30
End Time: 10:00
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 7.96
Calculated Confidence Intervals of CVi Lower: 6.47, Upper: 10.19
Estimates of CVg 62.8
Calculated Confidence Intervals of CVg Lower: 44.41, Upper: 106.75
Analytical CV 3.05
Calculated Confidence Intervals of Analytical CV Lower: 2.57, Upper: 3.75
Measurand Mean 15.2
Measurand Min 13.1
Measurand Max 17.3
Measurand SD

Coding