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THE VITAMIN B12 AND FOLATE PATHOLOGY INVESTIGATION
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THE INVESTIGATION OF ERRORS IN PATHOLOGY TESTS
FOR VITAMIN B12 AND FOLATE DEFICIENCY
BY MEANS OF MEDICAL EXPERIMENTS
INTRODUCTION
THE SERUM VITAMIN B12 INVESTIGATION
THE METHYLMALONIC ACID INVESTIGATION
THE HOMOCYSTEINE INVESTIGATION
THE HOLOTRANSCOBALAMIN INVESTIGATION
THE FOLATE INVESTIGATION
REFERENCES AND LINKS
B12 AND FOLATE INFORMATION
RESPONSES TO INVESTIGATION
THE HCY EXPERIMENT
HCY EVIDENCE
HCY ERRORS
Summary
Analytes and Laboratories
Objectives
Findings
Method
Series 1 Sample Collection
Series 1b Sample Collection
Analysis - CI
Analysis - Pxu
Analysis - Pab
Observations
Summary
Problems
Lab Performance
Results - Notes
Notes for Charts and Tables
Results - Series 1
SNP Qualitative
CHW Qualitative
CHW Quantitative
PALMS Qualitative
PALMS Quantitative
SNP vs CHW
PALMS vs CHW
SNP vs PALMS
Results - Series 1b
HCY Lab Comparison
Conclusions
Assay Quality
Diagnostic Utility
The important points to note, about homocysteine levels for Sample A and Sample B, from these PaLMS results are:
The maximum difference between Sample A and Sample B for any pair was 5.61 SD
.
Four results were outside the 95% Confidence Interval.
Three of those results were also outside the 99.0% Confidence Interval.
Two of those results were also outside the 99.9% Confidence Interval.
Chart E10
Table B17
T
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