Included in meta analysis


Gallagher SK, Johnson LK, and Milne DB, 1989, Clin Chem, 35, 369-73 , Short-term and long-term variability of indices related to nutritional status. I: Ca, Cu, Fe, Mg, and Zn


Total Score


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

Item Details

Parameter Score
Matrix Plasma
Measurand Zinc
Unit micromol / L
Overall Analytical Principle Method Spectrophotometry; Atomic absorption
Number of Subjects 5
Number of Subjects included in BV estimation 5
Ethinicity Unknown
Age Mean / Median
Age Min 28.0
Age Max 38.0
Age SD
Number of Males 0
Number of Females 5
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Month
Sampling Times Start Time: 07.30
End Time: 08.00
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 9.0
Calculated Confidence Intervals of CVi Lower: 6.47, Upper: 13.44
Estimates of CVg 4.07
Calculated Confidence Intervals of CVg Lower: 0.00, Upper: 13.82
Analytical CV 4.66
Calculated Confidence Intervals of Analytical CV Lower: 3.65, Upper: 6.43
Measurand Mean 12.18
Measurand Min
Measurand Max
Measurand SD