Cavalier E, Delanaye P and Moranne O, 2013, Am J Kidney Dis, 61(5), 845-8 , Variability of new bone mineral metabolism markers in patients treated with maintenance hemodialysis: implications for clinical decision making


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical C
6. Replicate Analysis A
7. Steady State C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C5,7,8,10,12,13

Item Details

Parameter Score
Matrix Serum
Measurand Phosphate
Unit mmol / L
Overall Analytical Principle Method Spectrophotometry; Not specified
Number of Subjects 17
Number of Subjects included in BV estimation 17
Ethinicity Unknown
Age Mean / Median 60.0
Age Min 30.0
Age Max 86.0
Age SD
Number of Males 9
Number of Females 8
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 6
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 2
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 12
Average Number of Samples Used for BV Estimation
Average Number of Replicates 2.0
Estimates of CVi 11.45
Calculated Confidence Intervals of CVi Lower: 10.37, Upper: 12.77
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: , Upper:
Analytical CV 2.6
Calculated Confidence Intervals of Analytical CV Lower: 2.37, Upper: 2.88
Measurand Mean 1.36
Measurand Min
Measurand Max
Measurand SD 0.35