Red cell distribution wide standard deviation (RDW-SD)

Reference

Reference
Zhang P, Tnag H, Chen K, Chen Y and Xu D, 2013, Arch Pathol Lab Med, 137, 1106-10 , Biological variations of hematologic parameters determined by UniCel DxH 800 hematology analyzer

Scoring

Total Score

C8,10,13

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

Item Details

Parameter Score
Matrix Whole Blood EDTA
Measurand Red cell distribution wide standard deviation (RDW-SD)
Unit mL / mL
Overall Analytical Principle Method Flow cytometry - Laser
Number of Subjects 40
Number of Subjects included in BV estimation 40
Ethinicity Asian
Age Mean / Median
Age Min 20.0
Age Max 40.0
Age SD
Number of Males 19
Number of Females 21
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 3
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 4
Interval Units Hour
Sampling Times Start Time: 08.00
End Time: 16.00
Number of Samples 9
Average Number of Samples Used for BV Estimation 9.0
Average Number of Replicates 1.0
Estimates of CVi 1.27
Calculated Confidence Intervals of CVi Lower: 1.03, Upper: 1.44
Estimates of CVg 4.45
Calculated Confidence Intervals of CVg Lower: 3.64, Upper: 5.71
Analytical CV 0.87
Calculated Confidence Intervals of Analytical CV Lower: 0.71, Upper: 1.13
Measurand Mean 39.1
Measurand Min
Measurand Max
Measurand SD 39.1

Coding