Skip to main content
. 2021 Jun 2;16(6):e0252121. doi: 10.1371/journal.pone.0252121

Fig 5. An eNose can smell SARS CoV-2 infection.

Fig 5

A. In red, histogram of 100 true-positive values generated by the classifier (each value is the result of 500 selections of one of 27 positive and one of 476 negative), with the mean success rate (66.7%) in dashed red line. In blue, the control analysis: Histogram of 600 true-positive values generated by the classifier (each value is the result of 500 selections of one of 27 negatives now randomly assigned as positive, and one of 449 remaining negatives), with the mean (50%) in dashed blue line. B. The same analysis as in A, here depicting false positives (yellow) and random control (green). C. ROC curve. D. Power analysis on increasing sample sizes (see Supplementary Fig 1 in S1 File). E. Same as A, but using only the 14 non-symptomatic positive participants. Note two discarded outliers at 16.4% and 33.4%.