Included in meta analysis


Lux O, Naidoo D. , 1995, J Nutr Biochem, 6, 43-7 , The assesment of biological variation components of copper, zinc, and selenium


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 C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C7,8,10,13

Item Details

Parameter Score
Matrix Serum
Measurand Copper
Unit micromol / L
Overall Analytical Principle Method Spectrophotometry; Atomic absorption
Number of Subjects 12
Number of Subjects included in BV estimation 12
Ethinicity Unknown
Age Mean / Median
Age Min 23.0
Age Max 45.0
Age SD
Number of Males 8
Number of Females 4
State of Well Being
Healthy (excl pregnant)
Study Duration Length 12
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 8.00
End Time: 10.00
Number of Samples
Average Number of Samples Used for BV Estimation 12.0
Average Number of Replicates 1.0
Estimates of CVi 8.0
Calculated Confidence Intervals of CVi Lower: 7.04, Upper: 9.16
Estimates of CVg 19.0
Calculated Confidence Intervals of CVg Lower: 13.52, Upper: 31.52
Analytical CV 2.0
Calculated Confidence Intervals of Analytical CV Lower: 1.46, Upper: 3.15
Measurand Mean 16.0
Measurand Min
Measurand Max
Measurand SD 2.9