Giles L, Smicklas-Wright H, Fosmire G, Derr J, 1994, Biol Trace Element Res, 41, 235-43 , Variations in plasma zinc in older men and 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 A
7. Steady State A
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results C
14. Concentrations B
15. Total Score C8,10,13

Item Details

Parameter Score
Matrix Capillary plasma
Measurand Zinc
Unit ug / dL
Overall Analytical Principle Method Spectrophotometry; Atomic absorption
Number of Subjects 36
Number of Subjects included in BV estimation 36
Ethinicity Unknown
Age Mean / Median 72.0
Age Min 60.0
Age Max 89.0
Age SD 7.0
Number of Males 8
Number of Females 28
State of Well Being
Healthy (excl pregnant)
Study Duration Length 3
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Day
Sampling Times Start Time: 05.30
End Time: 9.30
Number of Samples 3
Average Number of Samples Used for BV Estimation 3.0
Average Number of Replicates 2.0
Estimates of CVi 27.9
Calculated Confidence Intervals of CVi Lower: 23.27, Upper: 34.10
Estimates of CVg 41.1
Calculated Confidence Intervals of CVg Lower: 31.68, Upper: 55.28
Analytical CV 15.4
Calculated Confidence Intervals of Analytical CV Lower: 13.59, Upper: 17.77
Measurand Mean
Measurand Min
Measurand Max
Measurand SD