Total tri-iodothyronine (T3)

Included in meta analysis


Hölzel WGE, Deschner W. , 1988, Clin Chem, 34, 2063-65 , Intra-individual variation of serum thytoxin and triiodothyronine in pregnancy


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 B
8. Outlier Analysis C
9. Normality A
10. Variance Homogeneity A
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score C8

Item Details

Parameter Score
Matrix Serum
Measurand Total tri-iodothyronine (T3)
Unit nmol / L
Overall Analytical Principle Method Immunoassay; RIA
Number of Subjects 13
Number of Subjects included in BV estimation 13
Ethinicity Caucasian
Age Mean / Median 25.7
Age Min 19.0
Age Max 40.0
Age SD
Number of Males
Number of Females 13
State of Well Being
Healthy (excl pregnant)
Study Duration Length 8
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 8
Average Number of Samples Used for BV Estimation 8.0
Average Number of Replicates 3.0
Estimates of CVi 6.9
Calculated Confidence Intervals of CVi Lower: 5.88, Upper: 8.22
Estimates of CVg 11.6
Calculated Confidence Intervals of CVg Lower: 8.21, Upper: 18.97
Analytical CV 4.5
Calculated Confidence Intervals of Analytical CV Lower: 4.11, Upper: 4.98
Measurand Mean 1.68
Measurand Min
Measurand Max
Measurand SD