EFLM Biological Varation Database : BIVAC Minimum Data Set for Haematocrit (Hct) EFLM Biological Variation

Haematocrit (Hct)

Reference

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

Originally from this reference: Clin Chem, Gallagher SK, Johnson LK, and Milne DB, 1989

ID: 0052

Scoring

Total Score

C_5,7,8,10,13

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
11. ANOVA	B
12. CI	A
13. No of Results	C
14. Concentrations	A
15. Total Score	C_5,7,8,10,13
Comment

Item Details

Parameter	Score
Matrix	Whole Blood EDTA
Measurand	Haematocrit (Hct)
Unit	% / _
Overall Analytical Principle Method	Flow cytometry - Laser
Number of Subjects	5
Number of Subjects included in BV estimation	5
Ethinicity	Caucasian
Age Mean / Median
Age Min	23.0
Age Max	44.0
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	3.8
Calculated Confidence Intervals of CVi	Lower: 2.16, Upper: 6.03
Estimates of CVg	4.9
Calculated Confidence Intervals of CVg	Lower: 2.51, Upper: 12.83
Analytical CV	3.4
Calculated Confidence Intervals of Analytical CV	Lower: 2.67, Upper: 4.69
Measurand Mean	40.1
Measurand Min
Measurand Max
Measurand SD

Coding

Parameter	Score
Healthy Population	true
Adult Population	true
Weekly Samplings	true
Reviewed	true
Published	true
Gender for Meta-Analysis	Females
Snomed CT
NPU
LOINC
Comment	Constant diet

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