Thyroxine - total (T4)

Included in meta analysis

Reference

Reference
Feldt-Rasmussen U, Petersen PH, Blaabjerg O and Horder M, 1980, Acta Endocrinologica, 95, 328-34 , Long-term variability in serum thyroglobulin and thyroid related hormones in healthy subjects

Scoring

Total Score

C8,10,11,12,13

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
11. ANOVA C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C8,10,11,12,13
Comment

Item Details

Parameter Score
Matrix Serum
Measurand Thyroxine - total (T4)
Unit nmol / L
Overall Analytical Principle Method Immunoassay; RIA
Number of Subjects 5
Number of Subjects included in BV estimation 5
Ethinicity Caucasian
Age Mean / Median 20.5
Age Min 19.0
Age Max 30.0
Age SD
Number of Males 5
Number of Females
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 4
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 2
Interval Units Month
Sampling Times Start Time: 07:30
End Time: 09:00
Number of Samples 6
Average Number of Samples Used for BV Estimation 6.0
Average Number of Replicates 2.0
Estimates of CVi 4.0
Calculated Confidence Intervals of CVi Lower: 0.00, Upper: 7.31
Estimates of CVg 15.0
Calculated Confidence Intervals of CVg Lower: 9.13, Upper: 37.24
Analytical CV 7.0
Calculated Confidence Intervals of Analytical CV Lower: 5.59, Upper: 9.36
Measurand Mean 88.9
Measurand Min
Measurand Max
Measurand SD

Coding