EFLM Biological Varation Database : BIVAC Minimum Data Set for Platelet larger cell ratio (P-LCR) EFLM Biological Variation

Platelet larger cell ratio (P-LCR)

Reference

Coskun A, Carobene A, Kilercik M, Serteser M, Sandberg S, Aarsand AK, Fernandez-Calle P, Jonker N, Bartlett W, Díaz-Garzón J, Huet S, Kiziltas C, Dalgakiran I, Ugur E and Unsal I, 2018, Clin Chem Lab Med, , , Within-subject and between-subject biological variation estimates of 21 hematological parameters in 30 healthy subjects

Scoring

Total Score

A_{1,2,3,4,5,6,7,8,9,10,11,12,13,14}

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	A
9. Normality	A
10. Variance Homogeneity	A
11. ANOVA	A
12. CI	A
13. No of Results	A
14. Concentrations	A
15. Total Score	A_{1,2,3,4,5,6,7,8,9,10,11,12,13,14}
Comment

Item Details

Parameter	Score
Matrix	Whole Blood EDTA
Measurand	Platelet larger cell ratio (P-LCR)
Unit	% / %
Overall Analytical Principle Method	Flow cytometry - Laser
Number of Subjects	13
Number of Subjects included in BV estimation	13
Ethinicity	Caucasian
Age Mean / Median	25.0
Age Min	20.0
Age Max	36.0
Age SD
Number of Males	13
Number of Females	0
State of Well Being	Healthy (excl pregnant)
Study Duration Length	10
Study Duration Units	Week
Sampling Intervals, e.g. X sample(s) per Interval Unit	1
Interval Units	Week
Sampling Times	Start Time: 08.30 End Time: 10.30
Number of Samples	10
Average Number of Samples Used for BV Estimation	9.62
Average Number of Replicates	2.0
Estimates of CVi	6.6
Calculated Confidence Intervals of CVi	Lower: 5.76, Upper: 7.68
Estimates of CVg	18.4
Calculated Confidence Intervals of CVg	Lower: 13.25, Upper: 29.77
Analytical CV	2.83
Calculated Confidence Intervals of Analytical CV	Lower: 2.51, Upper: 3.25
Measurand Mean	25.95
Measurand Min
Measurand Max
Measurand SD

Coding

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