Aspartate transaminase (AST)

Reference

Reference
Winkel P and Statland BE, 1976, Clin Chem, 22, 1855-61 , Correlation of selected serum constituents:2. Consistency of intra-individual correlation values, means and variances during four months

Scoring

Total Score

C4,8,13

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

Item Details

Parameter Score
Matrix Serum
Measurand Aspartate transaminase (AST)
Unit microkatal / L
Overall Analytical Principle Method Enzymatic analysis - Not specified
Number of Subjects 10
Number of Subjects included in BV estimation 10
Ethinicity Caucasian
Age Mean / Median
Age Min 21.0
Age Max 31.0
Age SD
Number of Males
Number of Females 10
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: 08:00
End Time: 08:00
Number of Samples 8
Average Number of Samples Used for BV Estimation 8.0
Average Number of Replicates 1.0
Estimates of CVi 8.8
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV
Calculated Confidence Intervals of Analytical CV Lower: , Upper:
Measurand Mean 17.0
Measurand Min
Measurand Max
Measurand SD

Coding