Troponin T, cardiac - high-sensitive (biweekly-monthly sampling)


Agarwal SK, Avery CL, Ballantyne CM et al, 2011, Clin Chem, 57(6), 891-7 , Sources of variability in measurements in cardiac Troponin T measured with high sensitivity assay in a community based sample: the ARIC Study


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis C
7. Steady State B
8. Outlier Analysis C
9. Normality A
10. Variance Homogeneity C
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C6,8,10,13
Comment ROCHE

Item Details

Parameter Score
Matrix Plasma
Measurand Troponin T, cardiac - high-sensitive (biweekly-monthly sampling)
Unit ng / L
Overall Analytical Principle Method Immunoassay; Other
Number of Subjects 161
Number of Subjects included in BV estimation 161
Ethinicity Mixed
Age Mean / Median 63.0
Age Min 53.0
Age Max 75.0
Age SD
Number of Males 81
Number of Females 80
State of Well Being
Healthy (excl pregnant)
Study Duration Length 8
Study Duration Units Year
Sampling Intervals, e.g. X sample(s) per Interval Unit 8
Interval Units Year
Sampling Times Start Time:
End Time:
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 1.0
Estimates of CVi 54.9
Calculated Confidence Intervals of CVi Lower: 49.42, Upper: 61.72
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: , Upper:
Analytical CV 6.9
Calculated Confidence Intervals of Analytical CV Lower: 5.55, Upper: 9.13
Measurand Mean 9.0
Measurand Min
Measurand Max
Measurand SD