Potassium

Reference

Reference
Fraser CG and Williams P, 1983, Clin Chem, 29, 508-10 , Short-term biological variation of plasma analytes in renal disease

Scoring

Total Score

C10

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 B
9. Normality B
10. Variance Homogeneity C
11. ANOVA A
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score C10
Comment

Item Details

Parameter Score
Matrix Plasma
Measurand Potassium
Unit mmol / L
Overall Analytical Principle Method Ion-selective electrode
Number of Subjects 9
Number of Subjects included in BV estimation 9
Ethinicity Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males
Number of Females
State of Well Being Non-healthy (excl pregnant)
Study Duration Length 48
Study Duration Units Hour
Sampling Intervals, e.g. X sample(s) per Interval Unit 2
Interval Units Day
Sampling Times Start Time:
End Time:
Number of Samples 14
Average Number of Samples Used for BV Estimation 14.0
Average Number of Replicates 2.0
Estimates of CVi 13.3
Calculated Confidence Intervals of CVi Lower: 11.77, Upper: 15.28
Estimates of CVg 16.0
Calculated Confidence Intervals of CVg Lower: 10.68, Upper: 29.71
Analytical CV 2.2
Calculated Confidence Intervals of Analytical CV Lower: 1.96, Upper: 2.51
Measurand Mean 4.5
Measurand Min
Measurand Max
Measurand SD

Coding

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