EFLM Biological Varation Database : BIVAC Minimum Data Set for Mean corpuscular haemoglobin (MCH) EFLM Biological Variation

Mean corpuscular haemoglobin (MCH)

Reference

Nunes LA, Brenzikofer R and Vaz de Macedo D, 2010, Eur J Appl Physiol, 110, 191-8 , Reference change values of blood analytes from physically active subjects

Scoring

Total Score

B_6,7,9,11

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	A
9. Normality	B
10. Variance Homogeneity	A
11. ANOVA	B
12. CI	A
13. No of Results	A
14. Concentrations	A
15. Total Score	B_6,7,9,11
Comment

Item Details

Parameter	Score
Matrix	Whole Blood EDTA
Measurand	Mean corpuscular haemoglobin (MCH)
Unit	pg / cell
Overall Analytical Principle Method	Flow cytometry - Laser
Number of Subjects	56
Number of Subjects included in BV estimation	55
Ethinicity	Unknown
Age Mean / Median	18.0
Age Min	17.0
Age Max	19.0
Age SD
Number of Males	56
Number of Females	0
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: Morning End Time: Morning
Number of Samples	4
Average Number of Samples Used for BV Estimation	4.0
Average Number of Replicates	1.0
Estimates of CVi	1.3
Calculated Confidence Intervals of CVi	Lower: 1.05, Upper: 1.51
Estimates of CVg	4.3
Calculated Confidence Intervals of CVg	Lower: 3.60, Upper: 5.31
Analytical CV	0.7
Calculated Confidence Intervals of Analytical CV	Lower: 0.54, Upper: 0.99
Measurand Mean	29.7
Measurand Min
Measurand Max
Measurand SD

Coding

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