Phosphate

Included in meta analysis

Reference

Reference
Smith ER, Cai MM, McMahon LP and Holt SG, 2012, J Clin Endocrinol Metab, 97, 3357-3365 , Biological variability of plasma intact anc C-terminal FGF23 measurements

Scoring

Total Score

C10,12

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

Item Details

Parameter Score
Matrix Serum
Measurand Phosphate
Unit mmol / L
Overall Analytical Principle Method Spectrophotometry; Not specified
Number of Subjects 12
Number of Subjects included in BV estimation 11
Ethinicity Unknown
Age Mean / Median 45.0
Age Min 25.0
Age Max 62.0
Age SD
Number of Males 8
Number of Females 4
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 6
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 08:00
End Time: 10:00
Number of Samples 6
Average Number of Samples Used for BV Estimation 6.0
Average Number of Replicates 2.0
Estimates of CVi 10.8
Calculated Confidence Intervals of CVi Lower: 8.98, Upper: 13.41
Estimates of CVg 11.1
Calculated Confidence Intervals of CVg Lower: 7.11, Upper: 19.84
Analytical CV 3.8
Calculated Confidence Intervals of Analytical CV Lower: 3.25, Upper: 4.58
Measurand Mean 0.91
Measurand Min
Measurand Max
Measurand SD

Coding