THE VITAMIN B12 AND FOLATE PATHOLOGY INVESTIGATION
THE INVESTIGATION OF ERRORS IN PATHOLOGY TESTS
FOR VITAMIN B12 AND FOLATE DEFICIENCY
BY MEANS OF MEDICAL EXPERIMENTS
THE SERUM VITAMIN B12 INVESTIGATION
THE SERUM B12 EXPERIMENT - B
Summary
Analytes and Laboratories
Objectives
Findings
Method
Analysis - CI
Analysis - Pxu
Analysis - Pab
Observations
Lab Performance
Results - Notes
Notes for Charts and Tables
Results - Assay Quality
Conclusions

Test Series

The following series of pathology tests were used for THE SERUM B12 EXPERIMENT PART B :

  • Series 3 - Folate Investigation - Part A (Part of Table T1, and Chart CD1 only)

Analytes

The following tests were compared for effectiveness as tests for vitamin B12 deficiency:

  • Total Serum vitamin B12

Laboratories

  • QML Pathology, Brisbane QLD (QML)
  • Coastal Pathology, Buderim QLD (CP)
  • Gribbles Pathology (now Healthscope Pathology), Brisbane QLD (GP)
  • Sullivan Nicolaides Pathology, Brisbane QLD (SNP)

Duration

  • February 2009 to 06 July 2009

Number of Tests

  • 20 blood sample collections
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