Creatinine

Reference

Reference
Lacher DA, Hughes JP and Carroll MD, 2010, National Health Statistics Reports , 21, , Biological variation of laboratory analytes based on the 1999–2002 National Health and Nutrition Examination Survey

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 B
7. Steady State B
8. Outlier Analysis A
9. Normality B
10. Variance Homogeneity C
11. ANOVA B
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score C10
Comment 2 samples per subject

Item Details

Parameter Score
Matrix Serum
Measurand Creatinine
Unit mg / dL
Overall Analytical Principle Method Unknown
Number of Subjects 823
Number of Subjects included in BV estimation 823
Ethinicity Hispanic or Latino
Age Mean / Median
Age Min 16.0
Age Max 69.0
Age SD
Number of Males
Number of Females
State of Well Being Healthy (excl pregnant)
Study Duration Length 1
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 1.0
Estimates of CVi 6.7
Calculated Confidence Intervals of CVi Lower: 6.11, Upper: 7.25
Estimates of CVg 27.6
Calculated Confidence Intervals of CVg Lower: 26.27, Upper: 29.06
Analytical CV 4.6
Calculated Confidence Intervals of Analytical CV Lower: 4.15, Upper: 5.16
Measurand Mean 0.79
Measurand Min
Measurand Max
Measurand SD

Coding

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