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Fig. 2 | AIDS Research and Therapy

Fig. 2

From: Duplicate analysis method: a cheaper alternative to commercial IQC materials in limited resource settings for monitoring CD4 testing

Fig. 2

Regression analysis of the CD4+ T cell counts in duplicate analysis method. Regression plots for duplicate analysis method plotted for samples with normal CD4+ T cell count (a), and low CD4+ T cell counts (b). Day 1 CD4 counts are plotted on X axis and day 2 CD4 counts are plotted on Y axis. Data from different laboratories are presented using different colours.

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