EFLM Biological Varation Database : BIVAC Minimum Data Set for Alphafetoprotein level EFLM Biological Variation

Alphafetoprotein level

Reference

Trapé J, Franquesa J, Sala M, Domenech M, Montesinos J, Catot S, Buxó J, Casado E, Fígols C, Harillo S, Galobart J and Bella M, 2010, Clin Chem Lab Med, 48, 1799-1801 , Determination of biological variation of -fetoprotein and choriogonadotropin ( chain) in disease-free patients with testicular cancer

Scoring

Total Score

C_{3,5,7,8,10,11,12,13}

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

Item Details

Parameter	Score
Matrix	Serum
Measurand	Alphafetoprotein level
Unit	ug / L
Overall Analytical Principle Method	Electroimmunoassay - DELETE
Number of Subjects	28
Number of Subjects included in BV estimation	28
Ethinicity	Unknown
Age Mean / Median	33.3
Age Min	24.46
Age Max	42.14
Age SD	8.84
Number of Males	28
Number of Females
State of Well Being	Non-healthy (excl pregnant)
Study Duration Length
Study Duration Units	Week
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units	Week
Sampling Times	Start Time: End Time:
Number of Samples
Average Number of Samples Used for BV Estimation
Average Number of Replicates
Estimates of CVi	12.4
Calculated Confidence Intervals of CVi	Lower: 0.00, Upper: 450.74
Estimates of CVg	45.1
Calculated Confidence Intervals of CVg	Lower: 0.00, Upper: 62.46
Analytical CV	7.1
Calculated Confidence Intervals of Analytical CV	Lower: 3.70, Upper: 44.62
Measurand Mean	3.9
Measurand Min
Measurand Max
Measurand SD

Coding

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