Effects of Wearing Face Masks on Exercise Capacity and Ventilatory Anaerobic Threshold in Healthy Subjects During the COVID-19 Epidemic

Qiang Lin; Yuxing Cai; Changjun Yu; Wei Gu; Yan Tan; Li Wang; Anliang Chen; Kai Cheng; Ting Meng; Xueping Li

doi:10.12659/MSM.936069

30 May 2022 : Clinical Research

Effects of Wearing Face Masks on Exercise Capacity and Ventilatory Anaerobic Threshold in Healthy Subjects During the COVID-19 Epidemic

Qiang Lin

^1BCDEF, Yuxing Cai^1BC, Changjun Yu^2BC, Wei Gu^3CD, Yan Tan^3CD, Li Wang^3CD, Anliang Chen^1F, Kai Cheng^1F, Ting Meng^4F, Xueping Li^1AG*

DOI: 10.12659/MSM.936069

Med Sci Monit 2022; 28:e936069

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Table 5 Factors associated with being in the advanced VAT group rather than the stable VAT group via multivariable logistic regression analysis.

	β	Odds ratio	95% CI	P value
δVE	−1.628	0.196	0.054–0.712	0.013
δBF	1.154	3.171	1.152–8.73	0.026
δVE/VCO	0.48	1.161	1.014–2.575	0.043
AIC: 29.391. Delta index represents the index of exercise test with a mask minus the corresponding index of exercise test without a mask. VAT – ventilatory anaerobic threshold; CI – confidence interval; VE – ventilation per minute; BF – breath frequency; VE/VCO – carbon dioxide ventilation equivalent.

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Effects of Wearing Face Masks on Exercise Capacity and Ventilatory Anaerobic Threshold in Healthy Subjects During the COVID-19 Epidemic

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