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

Sodium

Reference

Chitto G, Fabi A, Franzini C, Galletta G, Leonardi A, Marelli M and Morelli AM, 1994, Biochim Clin, 18, 673-690 , Variabilità biologica intra-individuo: rassegna della letteratura, contributo sperimentale e considerazioni critiche

Scoring

Total Score

C_8,10,13

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	B
8. Outlier Analysis	C
9. Normality	B
10. Variance Homogeneity	C
11. ANOVA	B
12. CI	A
13. No of Results	C
14. Concentrations	B
15. Total Score	C_8,10,13
Comment

Item Details

Parameter	Score
Matrix	Serum
Measurand	Sodium
Unit	mmol / L
Overall Analytical Principle Method	Unknown
Number of Subjects	12
Number of Subjects included in BV estimation	12
Ethinicity	Unknown
Age Mean / Median
Age Min	20.0
Age Max	45.0
Age SD
Number of Males
Number of Females
State of Well Being	Healthy (excl pregnant)
Study Duration Length	25
Study Duration Units	Day
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units	Week
Sampling Times	Start Time: End Time:
Number of Samples	7
Average Number of Samples Used for BV Estimation
Average Number of Replicates	2.0
Estimates of CVi	0.6
Calculated Confidence Intervals of CVi	Lower: 0.50, Upper: 0.73
Estimates of CVg
Calculated Confidence Intervals of CVg	Lower: 0.00, Upper:
Analytical CV	0.3
Calculated Confidence Intervals of Analytical CV	Lower: 0.26, Upper: 0.35
Measurand Mean
Measurand Min
Measurand Max
Measurand SD

Coding

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