Osteocalcin

Reference

Reference
Beck Jensen et al. , 1997, Scand J Clin Lab Invest, 57, 351-60 , A single measurement of biochemical markers of bone turnover has limited utility in the individual person.

Scoring

Total Score

C8,10,13

Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical B
6. Replicate Analysis A
7. Steady State A
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
11. ANOVA B
12. CI A
13. No of Results C
14. Concentrations B
15. Total Score C8,10,13
Comment

Item Details

Parameter Score
Matrix Serum
Measurand Osteocalcin
Unit Unknown / Unknown
Overall Analytical Principle Method Immunoassay; ELISA
Number of Subjects 30
Number of Subjects included in BV estimation 30
Ethinicity Unknown
Age Mean / Median
Age Min 24.0
Age Max 62.0
Age SD
Number of Males
Number of Females 30
State of Well Being
Healthy (excl pregnant)
Diseases
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: 08:00
End Time: 10:00
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 5.3
Calculated Confidence Intervals of CVi Lower: 3.56, Upper: 6.91
Estimates of CVg 23.1
Calculated Confidence Intervals of CVg Lower: 18.34, Upper: 31.03
Analytical CV 8.0
Calculated Confidence Intervals of Analytical CV Lower: 7.19, Upper: 9.02
Measurand Mean
Measurand Min
Measurand Max
Measurand SD

Coding