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. 2020 Dec 16;15(12):e0244417. doi: 10.1371/journal.pone.0244417

Table 7. Distribution of Ct values of the HCW swab, self-swab and saliva.

Test Median (IQR*) of Ct value
HCW Swab 31.59 (26.77, 35.62)
Self-swab 31.65 (26.65, 35.94)
Saliva 33.10 (28.25, 36.23)

* IQR = Interquartile Range