Potassium

Included in meta analysis

Reference

Reference
Harris EK, Kanofsky P, Shakarji G and Cotlove E, 1970, Clin Chem, 16, 1022-7 , Biological and analytic components of variation in long-term studies of serum constituents in normal subjects

Scoring

Total Score

C8,10,13

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 C8,10,13
Comment

Item Details

Parameter Score
Matrix Serum
Measurand Potassium
Unit mmol / L
Overall Analytical Principle Method Unknown
Number of Subjects 68
Number of Subjects included in BV estimation 68
Ethinicity Unknown
Age Mean / Median
Age Min 20.0
Age Max 59.0
Age SD
Number of Males
Number of Females
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: 8:30
End Time: 9:00
Number of Samples 10
Average Number of Samples Used for BV Estimation 10.0
Average Number of Replicates 2.0
Estimates of CVi 5.0
Calculated Confidence Intervals of CVi Lower: 4.72, Upper: 5.31
Estimates of CVg 4.3
Calculated Confidence Intervals of CVg Lower: 3.59, Upper: 5.28
Analytical CV 1.4
Calculated Confidence Intervals of Analytical CV Lower: 1.33, Upper: 1.48
Measurand Mean
Measurand Min
Measurand Max
Measurand SD

Coding

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