World Journal of Nursing Research

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Comparison of Rates of Air Leakage Due to Differences in Face Shape and Mask Size

Table 3.

Comparison of airleakage rate (%) by facial shape and mask size


		EstimatedSurroundingMean	StandardError	95% CI	p-value	Multiple Comparisons

facial shape	small face	24.5	1.4	21.8-	＜0.001***	small face＞medium face
	medium face	13.7	2.0	9.7-		small face＞large face
	laege face	14.1	1.9	10.4-

mask size	S-size	19.5	1.5	16.6-	0.038*
mask size	M-size	15.3	1.4	12.6-

CI: Confidence Interval; Two-Way Analysis of Variance (ANOVA); *: p<0.05 ***：p<0.001