Parathyroid hormone


Ercan M, Akbulut ED, Avci E et al, 2019, Biochem Med, 29(3), , Determining biological variation of serum parathyroid hormone in healthy adults


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 C
8. Outlier Analysis C
9. Normality A
10. Variance Homogeneity C
12. CI A
13. No of Results B
14. Concentrations A
15. Total Score C7,8,10

Item Details

Parameter Score
Matrix Serum
Measurand Parathyroid hormone
Unit ng / L
Overall Analytical Principle Method Chemiluminescence
Number of Subjects 10
Number of Subjects included in BV estimation 10
Ethinicity Unknown
Age Mean / Median 32.0
Age Min 23.0
Age Max 40.0
Age SD
Number of Males 0
Number of Females 10
State of Well Being
Healthy (excl pregnant)
Study Duration Length 10
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 9:00
End Time: 10:00
Number of Samples 10
Average Number of Samples Used for BV Estimation 10.0
Average Number of Replicates 2.0
Estimates of CVi 24.0
Calculated Confidence Intervals of CVi Lower: 20.91, Upper: 28.15
Estimates of CVg 18.6
Calculated Confidence Intervals of CVg Lower: 11.71, Upper: 34.44
Analytical CV 3.8
Calculated Confidence Intervals of Analytical CV Lower: 3.34, Upper: 4.41
Measurand Mean 31.1
Measurand Min
Measurand Max
Measurand SD 8.8