EFLM Biological Varation Database : BIVAC Minimum Data Set for Eosinophils EFLM Biological Variation

Eosinophils

Reference

Costongs GMP, Janson PCW, Bas BM, Hermans J, Brombach er PJ, Wersch JWJ, 1985, J Clin Chem Clin Biochem, 23, 69-76 , Short-term and long-term intra-individual variations and critical differences of haematological laboratory parameters

Scoring

Total Score

C_2,7,8,10,13

Parameter	Score
1. Scale	A
2. Study Population	C
3. Samples	A
4. Measurand	B
5. Pre-Analytical	A
6. Replicate Analysis	B
7. Steady State	C
8. Outlier Analysis	C
9. Normality	B
10. Variance Homogeneity	C
11. ANOVA	B
12. CI	A
13. No of Results	C
14. Concentrations	A
15. Total Score	C_2,7,8,10,13
Comment

Item Details

Parameter	Score
Matrix	Whole Blood EDTA
Measurand	Eosinophils
Unit	% / %
Overall Analytical Principle Method	Flow cytometry - Laser
Number of Subjects	274
Number of Subjects included in BV estimation	274
Ethinicity	Unknown
Age Mean / Median
Age Min	18.0
Age Max	57.0
Age SD
Number of Males
Number of Females
State of Well Being	Healthy (excl pregnant)
Study Duration Length	6
Study Duration Units	Month
Sampling Intervals, e.g. X sample(s) per Interval Unit	1
Interval Units	Month
Sampling Times	Start Time: End Time:
Number of Samples	6
Average Number of Samples Used for BV Estimation	6.0
Average Number of Replicates	1.0
Estimates of CVi	20.8
Calculated Confidence Intervals of CVi	Lower: 19.84, Upper: 21.78
Estimates of CVg
Calculated Confidence Intervals of CVg	Lower: 0.00, Upper:
Analytical CV	8.6
Calculated Confidence Intervals of Analytical CV	Lower: 7.76, Upper: 9.64
Measurand Mean	3.0
Measurand Min
Measurand Max
Measurand SD

Coding

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