g-glutamyl transferase activity

Reference

Reference
Statland BE, Winkel P and Killingsworth LM, 1976, Clin Chem, 22, 1635-8 , Factors Contributing to Intra-Individual Variation of Serum Constituents: 6. Physiological Day-to-Day Variation in Concentrations of 10 Specific Proteins in Sera of Healthy Subjects

Originally from this reference: Clin Chem, Statland BE, Winkel P and Killingsworth LM, 1976


ID: 0153

Scoring

Total Score

C4,8,10,12,13,

Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand C
5. Pre-Analytical B
6. Replicate Analysis A
7. Steady State B
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
11. ANOVA A
12. CI C
13. No of Results C
14. Concentrations B
15. Total Score C4,8,10,12,13,
Comment C

Item Details

Parameter Score
Matrix Serum
Measurand g-glutamyl transferase activity
Unit U / L
Overall Analytical Principle Method Enzymatic analysis - Not specified
Number of Subjects 14
Number of Subjects included in BV estimation 14
Ethinicity Caucasian
Age Mean / Median
Age Min 25.0
Age Max 40.0
Age SD
Number of Males 8
Number of Females 6
State of Well Being Healthy (excl pregnant)
Study Duration Length 9
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 4
Interval Units Week
Sampling Times Start Time: 08:00
End Time: 08:00
Number of Samples 4
Average Number of Samples Used for BV Estimation 4.0
Average Number of Replicates 2.0
Estimates of CVi 3.9
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 23.8
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV
Calculated Confidence Intervals of Analytical CV Lower: , Upper:
Measurand Mean
Measurand Min
Measurand Max
Measurand SD

Coding

Parameter Score
Healthy Population true
Adult Population true
Weekly Samplings false
Reviewed true
Published true
Gender for Meta-Analysis Males
Snomed CT
NPU
LOINC
Comment
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