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Original Article

Korean J healthc assoc Infect Control Prev 2021; 26(2): 108-114

Published online December 31, 2021 https://doi.org/10.14192/kjicp.2021.26.2.108

Copyright © Korean Society for Healthcare-associated infection Control and Prevention

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Comparison of N95 Respiratory Mask Fit Testing

Si-Hyeon Han1, Kyeong-Sook Cha2 , So-Yeon Yoo3, Jin Ok Han1

Infection Control Department, Dankook University Hospital1, Cheonan, Department of Nursing Science, Sun Moon University2, Asan, Gachon University College of Nursing3, Incheon, Korea

Correspondence to: Kyeong-Sook Cha
E-mail: chamelda@sunmoon.ac.kr
ORCID: https://orcid.org/0000-0002-7307-898X

Received: August 9, 2021; Revised: November 24, 2021; Accepted: December 3, 2021

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0).

Abstract

Background: In this study, we measured the adherence of the representative N95 respiratory mask products on the current market in Korea, compared, and used the results as reference for selecting masks.
Methods: This study was conducted on nurses frequently dealing with patients suspected or diagnosed with airborne diseases at a university hospital in Korea. The fit levels of the three types of masks were measured. A total of 183 people, 48 in product A, 92 in product B, and 43 in product C, participated in the study. The coefficient of adherence to the N95 masks was measured using a quantitative adherence tester (TSI Portcount Pro+8038).
Results: Regarding the pass rate of the fit testing, product B showed the highest pass rate in 46 cases (50.0%), followed by 16 cases in product A (33.3%), and one case in product C (2.3%), indicating a significant difference among the products. The overall fit factor of the product was in the order of product B (104.64), product A (82.95), and product C (17.64), which showed that only the overall fit factor of product B was passable.
Conclusion: Owing to the difference in fit depending on the type of mask, medical institutions should offer various products; thus, medical service providers can choose an appropriate mask, and regular N95 mask fit testing needs to be mandatory.

Keywords: Communicable disease, Masks, Respiratory, Transmission

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