Reference
Pineda-Tenor D , Laserna-Mendieta EJ, Timon-Zapata J, Rodelgo-Jimenez L, Ramos-Corral R, Recio-Montealegre A and Gomez-Serranillos Reus M, 2013, Clin Chem Lab Med, 51, 851-62 , Biological variation and reference change value of common clinical chemistry and haematologic laboratory analytes in the eldery population
Parameter | Score |
---|---|
1. Scale | A |
2. Study Population | A |
3. Samples | A |
4. Measurand | A |
5. Pre-Analytical | B |
6. Replicate Analysis | B |
7. Steady State | B |
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 | C8,13 |
Comment |
Parameter | Score |
---|---|
Matrix | Serum |
Measurand | Aspartate transaminase (AST) |
Unit | micromol / L |
Overall Analytical Principle Method | Enzymatic analysis - IFCC method |
Number of Subjects | 64 |
Number of Subjects included in BV estimation | |
Ethinicity | Caucasian |
Age Mean / Median | |
Age Min | 80.0 |
Age Max | 89.0 |
Age SD | |
Number of Males | |
Number of Females | 64 |
State of Well Being |
Healthy (excl pregnant)
|
Diseases | |
Study Duration Length | 30 |
Study Duration Units | Week |
Sampling Intervals, e.g. X sample(s) per Interval Unit | 1 |
Interval Units | Week |
Sampling Times | Start Time:
08:00
End Time: 10:00 |
Number of Samples | 4 |
Average Number of Samples Used for BV Estimation | 4.0 |
Average Number of Replicates | 1.0 |
Estimates of CVi | 18.3 |
Calculated Confidence Intervals of CVi | Lower: 16.56, Upper: 20.41 |
Estimates of CVg | 26.2 |
Calculated Confidence Intervals of CVg | Lower: 21.78, Upper: 32.30 |
Analytical CV | 3.6 |
Calculated Confidence Intervals of Analytical CV | Lower: 2.82, Upper: 4.97 |
Measurand Mean | 0.34 |
Measurand Min | |
Measurand Max | |
Measurand SD |