Troponin I, cardiac- contemporary


Apple FS, Murakami MM, Wians FH, Ler R, Kaczmarek JM and Wu AHB, 2011, Clin Chem, 57, C-05 , Short-term biological variation of cardiac troponin I measured with three high-sensitive assays


Total Score


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

Item Details

Parameter Score
Matrix Serum
Measurand Troponin I, cardiac- contemporary
Unit ng / L
Overall Analytical Principle Method Immunoassay; Not specified
Number of Subjects 12
Number of Subjects included in BV estimation 12
Ethinicity Caucasian
Age Mean / Median
Age Min 23.0
Age Max 54.0
Age SD
Number of Males 6
Number of Females 6
State of Well Being
Healthy (excl pregnant)
Study Duration Length 4
Study Duration Units Hour
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Hour
Sampling Times Start Time:
End Time:
Number of Samples 4
Average Number of Samples Used for BV Estimation 4.0
Average Number of Replicates 1.0
Estimates of CVi 12.9
Calculated Confidence Intervals of CVi Lower: 0.00, Upper: 20.26
Estimates of CVg 12.3
Calculated Confidence Intervals of CVg Lower: 5.08, Upper: 23.44
Analytical CV 13.0
Calculated Confidence Intervals of Analytical CV Lower: 7.79, Upper: 37.36
Measurand Mean 5.5
Measurand Min
Measurand Max
Measurand SD