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Comparison of Rates of Air Leakage Due to Differences in Face Shape and Mask Size
World Journal of Nursing Research
| Vol 4, Issue 1
Table 1. Comparison of the size (mm, mm²) of the mask andfacial surface gap areas in relation to facial shape and mask size usingcomputer graphics
| □ | Right cheek (㎜) | Left cheek (㎜) | Chin (㎜) | Approximate Triangle on the Right Side of the Nose (㎜2) | Approximate Triangle on the Left Side of the Nose (㎜2) | |
| Small face _S-size mask | 7.9 | 14.2 | 8.6 | 21.2 | 20.0 | |
| Small face _M-size mask | 7.9 | 14.2 | 8.6 | 20.3 | 22.4 | |
| Medium face _S-size mask | 14.0 | 13.5 | 2.0 | 22.8 | 20.3 | |
| Medium face _M-size mask | 14.6 | 15.0 | 3.1 | 21.5 | 21.1 | |
| Large face _S-size mask | 10.6 | 7.5 | 3.2 | 22.2 | 20.2 | |
| Large face _M-size mask | 14.3 | 13.9 | 5.8 | 20.2 | 20.5 | |
| □ | □ | □ | □ | □ | □ | □ |