Leukocytes

Reference

Reference
Fraser CG, Wilkinson SP, Neville RG, Knox JDE, Kin g JF, MacWalter RS, 1989, Am J Clin Pathol, 92, 465-70 , Biologic variation of common hematologic laboratory quantities in the elderly

Scoring

Total Score

C7,10,13

Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis A
7. Steady State C
8. Outlier Analysis A
9. Normality B
10. Variance Homogeneity C
11. ANOVA A
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C7,10,13
Comment

Item Details

Parameter Score
Matrix Whole Blood EDTA
Measurand Leukocytes
Unit 10(9) / L
Overall Analytical Principle Method Flow cytometry - Laser
Number of Subjects 12
Number of Subjects included in BV estimation 12
Ethinicity Unknown
Age Mean / Median 75.5
Age Min 70.0
Age Max 83.0
Age SD
Number of Males 0
Number of Females 12
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 140
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 14
Interval Units Day
Sampling Times Start Time: 07.00
End Time: 09.00
Number of Samples 10
Average Number of Samples Used for BV Estimation 9.9
Average Number of Replicates 2.0
Estimates of CVi 10.9
Calculated Confidence Intervals of CVi Lower: 9.57, Upper: 12.64
Estimates of CVg 22.0
Calculated Confidence Intervals of CVg Lower: 15.58, Upper: 36.61
Analytical CV 2.5
Calculated Confidence Intervals of Analytical CV Lower: 2.21, Upper: 2.88
Measurand Mean 5.54
Measurand Min
Measurand Max
Measurand SD

Coding