Area under the curve (AUC) vs threshold of G6PD activity (IU/gHb) in the two qualitative tests.

<p>FST results with (a) intermediates combined with deficient test results in red solid lines, (b) intermediates combined with normal test results in red dashed lines. CST results with (a) intermediates combined with deficient test results in blue solid lines, (b) intermediates combined with normal test results in blue dashed lines.</p>