Parathyroid hormone

Included in meta analysis


Viljoen A, Singh DK, Twomey PJ and Farrington K, 2008, Clin Chem Lab Med, 46, 1438-42 , Analytical quality goals for parathyroid hormone based on biological variation


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 B
15. Total Score C5,7,8,10,12,13

Item Details

Parameter Score
Matrix Plasma
Measurand Parathyroid hormone
Unit pmol / L
Overall Analytical Principle Method Chemiluminescence
Number of Subjects 20
Number of Subjects included in BV estimation 20
Ethinicity Unknown
Age Mean / Median 37.0
Age Min 19.0
Age Max 60.0
Age SD
Number of Males 10
Number of Females 10
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 8:45
End Time: 9:30
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 25.3
Calculated Confidence Intervals of CVi Lower: 21.88, Upper: 29.97
Estimates of CVg 43.4
Calculated Confidence Intervals of CVg Lower: 32.35, Upper: 63.77
Analytical CV 3.3
Calculated Confidence Intervals of Analytical CV Lower: 2.90, Upper: 3.83
Measurand Mean
Measurand Min
Measurand Max
Measurand SD