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Table 2 Correlation and variation of manual counting results between different examiners as compared to automated counting

From: Automated estimation of parasitaemia of Plasmodium yoelii-infected mice by digital image analysis of Giemsa-stained thin blood smears

  Manual Counting Automated Counting
  P2 P3 P4 P5   
  R2 RMS R2 RMS R2 RMS R2 RMS R2 RMS
P1 0.9940 3.8 0.9883 4.3 0.9890 3.1 0.9951 1.1 0.9860 2.5
P2    0.9931 1.1 0.9912 1.6 0.9925 3.6 0.9824 2.9
P3      0.9916 1.8 0.9867 4.1 0.9805 3.1
P4        0.9879 2.9 0.9742 2.1
P5          0.9848 2.6
  1. The R2 values are obtained using Pearson's test, all p values are < 0.0001. RMS values are the root-mean-square values of the differences. P1 to P5 represent the five experimenters who counted the slides.