Mean corpuscular haemoglobin (MCH)


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


Total Score


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
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C7,10,13

Item Details

Parameter Score
Matrix Whole Blood EDTA
Measurand Mean corpuscular haemoglobin (MCH)
Unit pg / _
Overall Analytical Principle Method Calculated
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 12
Number of Females 0
State of Well Being
Healthy (excl pregnant)
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 9.6
Average Number of Replicates 2.0
Estimates of CVi 0.8
Calculated Confidence Intervals of CVi Lower: 0.00, Upper: 1.52
Estimates of CVg 3.9
Calculated Confidence Intervals of CVg Lower: 2.76, Upper: 6.50
Analytical CV 2.7
Calculated Confidence Intervals of Analytical CV Lower: 2.38, Upper: 3.12
Measurand Mean 31.6
Measurand Min
Measurand Max
Measurand SD