Table I.
Demographic characteristics of study participants (N = 9)
| Gender | |
| Male | 7 (77.8%) |
| Female | 2 (22.2%) |
| Age (years), median (IQR) | 30 (30–44) |
| Mask size | |
| Small | 1 (11.1%) |
| Medium | 6 (66.7%) |
| Large | 2 (22.2%) |
IQR, interquartile range.
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