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. 2021 Jun 29;32(2):265–279.

Figure 3.

Figure 3 shows the reported PPA on the x-axis, and NPA on the y-axis, by Manufacturers 1 and 2, and in the FIND studies 15 for all labs reporting studies from the same manufacturers.16,17 The circles representing ‘Manufacturer 1’ labs are coloured blue; the manufacturer is shown as the clear circle. The diamonds represent ‘Manufacturer 2’; labs are coloured yellow; the manufacturer is shown as the clear diamond. Labs A, B, C and D are examined in greater detail in Tables 3, 4 and 5.

PPA & NPA for Mfg-1 and Mfg-2