Standard bicarbonate


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


Total Score


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
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C10,13

Item Details

Parameter Score
Matrix Plasma
Measurand Standard bicarbonate
Unit mmol / L
Overall Analytical Principle Method Unknown
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 5.6
Calculated Confidence Intervals of CVi Lower: 4.92, Upper: 6.47
Estimates of CVg 17.4
Calculated Confidence Intervals of CVg Lower: 11.91, Upper: 31.85
Analytical CV 1.9
Calculated Confidence Intervals of Analytical CV Lower: 1.69, Upper: 2.17
Measurand Mean 23.4
Measurand Min
Measurand Max
Measurand SD