Table 2 Receiver operating characteristic (ROC) analysis.
From: Bacterial and fungal isolation from face masks under the COVID-19 pandemic
Factor | Variable | AUC | Association |
|---|---|---|---|
Mask type, non-woven | Outer-side fungal count | 0·77 | Negative* |
Gender, female | Face-side bacterial count | 0·71 | Negative† |
Usage \(\geqq\) 2 days | Outer-side fungal count | 0·65 | Positive* |
Gender, female | Cladosporium positive | 0·65 | Positive |
B. subtilis, inside | White medium colony | 0·65 | Negative |
Natto\(\geqq\) once/month | Bacillus subtilis | 0·61 | Positive |
Public transportation | Bacterial or fungal count | 0·50 | No |
B. subtilis, inside | Staphylococcus epidermidis | 0·42 | No |