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Table 2 Median Ct difference between individual and pooled samples

From: Evaluation of pooling of samples for testing SARS-CoV- 2 for mass screening of COVID-19

Pool details Ct difference (Median) Interquartile range (IQR)
4 pool (HP) 2.29 0.49
4 pool (MP) 1.79 0.79
4 pool (WP) - 18.26 39.60
8 pool (HP) 3.10 1.38
8 pool (MP) 2.66 1.21
8 pool (WP) −36.01 28.81
  1. * HP High viral load positive sample, MP Medium viral load positive sample, WP low viral load or weak positive sample