Letter to the Editor: On moving average and internal quality control

Chun Yee Lim, Corey Markus, Rui Zhen Tan, Tze Ping Loh

Research output: Contribution to journalLetterpeer-review

1 Citation (Scopus)


In a recent study [1], Bayat et al. raised concerns with the simulation of our approach for comparing moving average (MA) approaches for quality control (QC) with traditional ('Westgard') QC practices [2]. They contended that it was odd to simulate 10–20 QC measurements per evaluation event while having only 1 to 2 measurements for traditional QC. We believe this is a misunderstanding of our methods and the concept of block size, which is a relatively new application to quality control.
Original languageEnglish
Pages (from-to)32-34
Number of pages3
JournalClinical Biochemistry
Publication statusPublished - May 2022


  • moving average
  • internal quality control
  • academic laboratories


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