Vitamin E

Included in meta analysis


Jungert A, Frank J, 2021 March 13, Antioxidants 2021, 10, 448., 10(3):448, , Intra-Individual Variation and Reliability of Biomarkers of the Antioxidant Defense System by Considering Dietary and Lifestyle Factors in Premenopausal Women


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis C
7. Steady State A
8. Outlier Analysis A
9. Normality A
10. Variance Homogeneity C
12. CI C
13. No of Results A
14. Concentrations A
15. Total Score C6,10,11,12
Comment only total CV and CVG are reported. The CVI estimate is not reported.

Item Details

Parameter Score
Matrix Plasma
Measurand Vitamin E
Unit micromol / L
Overall Analytical Principle Method Chromatography; HPLC
Number of Subjects 44
Number of Subjects included in BV estimation 44
Ethinicity Caucasian
Age Mean / Median 23.0
Age Min 20.0
Age Max 30.0
Age SD
Number of Males 0
Number of Females 44
State of Well Being
Healthy (excl pregnant)
Study Duration Length 3
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Month
Sampling Times Start Time:
End Time:
Number of Samples 3
Average Number of Samples Used for BV Estimation 3.0
Average Number of Replicates 2.0
Estimates of CVi
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 17.0
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