Reference
Lenters-Westra E, Roraas T, Schidhelm RK, Sligerland RJ and Sandberg S , 2014, Clin Chem, 60, 1570-2 , Biological variation of hemoglobin A1c: consequences for diagnosing diabetes mellitus.
Originally from this reference: Clin Chem, Lenters-Westra E, Roraas T, Schidhelm RK, Sligerland RJ and Sandberg S , 2014
ID: 0253
| Parameter | Score |
|---|---|
| 1. Scale | A |
| 2. Study Population | B |
| 3. Samples | B |
| 4. Measurand | A |
| 5. Pre-Analytical | B |
| 6. Replicate Analysis | A |
| 7. Steady State | B |
| 8. Outlier Analysis | B |
| 9. Normality | B |
| 10. Variance Homogeneity | A |
| 11. ANOVA | A |
| 12. CI | A |
| 13. No of Results | A |
| 14. Concentrations | A |
| 15. Total Score | B2,3,5,7,8,9 |
| Comment | no age, no sampling time |
| Parameter | Score |
|---|---|
| Matrix | Whole blood |
| Measurand | Haemoglobin A1c (HbA1c) |
| Unit | mmol / mol |
| Overall Analytical Principle Method | No method set |
| Number of Subjects | 21 |
| Number of Subjects included in BV estimation | 19 |
| Ethinicity | Unknown |
| Age Mean / Median | |
| Age Min | |
| Age Max | |
| Age SD | |
| Number of Males | 11 |
| Number of Females | 10 |
| State of Well Being | Healthy (excl pregnant) |
| Study Duration Length | 2 |
| Study Duration Units | Month |
| Sampling Intervals, e.g. X sample(s) per Interval Unit | |
| Interval Units | Month |
| Sampling Times | Start Time:
End Time: |
| Number of Samples | 5 |
| Average Number of Samples Used for BV Estimation | 5.0 |
| Average Number of Replicates | 2.0 |
| Estimates of CVi | 0.8 |
| Calculated Confidence Intervals of CVi | Lower: 0.39, Upper: 1.13 |
| Estimates of CVg | 7.4 |
| Calculated Confidence Intervals of CVg | Lower: 0.00, Upper: 10.82 |
| Analytical CV | 1.3 |
| Calculated Confidence Intervals of Analytical CV | Lower: 1.14, Upper: 1.52 |
| Measurand Mean | 34.2 |
| Measurand Min | |
| Measurand Max | |
| Measurand SD |
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European Federation of Clinical Chemistry and Laboratory Medicine
Ms Silvia Cattaneo
Via Carlo Farini 81
20159 Milano - Italy
biologicalvariationdatabase@eflm.eu
European Federation of Clinical Chemistry and Laboratory Medicine
Ms Silvia Cattaneo
Via Carlo Farini 81
20159 Milano - Italy
biologicalvariationdatabase@eflm.eu