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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 2. Number of experimentsand air leakage rate (%) for each mask size by facial shape

		Mask Size
		S-size			M-size
		n	Average	SE	n	Average	SE
Facial Shape	Small face	90	34.5	3.6	100	16.1	1.6
	Medium face	38	10.3	1.6	50	17.1	2.3
	Large face	50	15.5	1.9	50	12.6	1.8

SE: Standard Error