Vitamin E level


Gallagher SK, Johnson AK, Milne DB, 1992, Clin Chem, 38, 1449-53 , Short and long term variability of selected indices related to nutritional status. II. Vitamins, lipids, and protein indices


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis B
7. Steady State B
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity A
12. CI A
13. No of Results B
14. Concentrations A
15. Total Score C8

Item Details

Parameter Score
Matrix Serum
Measurand Vitamin E level
Unit micromol / L
Overall Analytical Principle Method Chromatography; HPLC
Number of Subjects 5
Number of Subjects included in BV estimation 5
Ethinicity Unknown
Age Mean / Median
Age Min 23.0
Age Max 38.0
Age SD
Number of Males
Number of Females 5
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 7.00
End Time: 8.00
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 23.8
Calculated Confidence Intervals of CVi Lower: 16.98, Upper: 35.65
Estimates of CVg 18.9
Calculated Confidence Intervals of CVg Lower: 5.22, Upper: 52.85
Analytical CV 12.9
Calculated Confidence Intervals of Analytical CV Lower: 10.12, Upper: 17.81
Measurand Mean 21.0
Measurand Min
Measurand Max
Measurand SD