Fibroblast growth factor-23

Included in meta analysis


Jabor A, Kubicek Z, Komrskova J, et al, 2019, Ann Clin Biochem, , , Biological variation of intact fibroblast growth factor 23 measured on a fully automated chemiluminescent platform


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 A
8. Outlier Analysis A
9. Normality A
10. Variance Homogeneity A
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score A1,2,3,4,5,6,7,8,9,10,11,12,13,14

Item Details

Parameter Score
Matrix Plasma
Measurand Fibroblast growth factor-23
Unit ng / L
Overall Analytical Principle Method Chemiluminescence
Number of Subjects 14
Number of Subjects included in BV estimation 14
Ethinicity Caucasian
Age Mean / Median 32.0
Age Min 28.0
Age Max 40.0
Age SD
Number of Males 7
Number of Females 7
State of Well Being
Healthy (excl pregnant)
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: 8:00
End Time: 10:00
Number of Samples 7
Average Number of Samples Used for BV Estimation 7.0
Average Number of Replicates 2.0
Estimates of CVi 14.2
Calculated Confidence Intervals of CVi Lower: 12.27, Upper: 16.81
Estimates of CVg 13.4
Calculated Confidence Intervals of CVg Lower: 9.02, Upper: 22.15
Analytical CV 3.7
Calculated Confidence Intervals of Analytical CV Lower: 3.25, Upper: 4.30
Measurand Mean 61.2
Measurand Min 56.0
Measurand Max 66.4
Measurand SD