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 Cai1BC, Changjun Yu2BC, Wei Gu3CD, Yan Tan3CD, Li Wang3CD, Anliang Chen1F, Kai Cheng1F, Ting Meng4F, Xueping Li1AG*
DOI: 10.12659/MSM.936069
Med Sci Monit 2022; 28:e936069
Table 1 Baseline characteristics and physiological indexes of participants.
| Parameter | Total (n=34) |
|---|---|
| Age (year) | 23.4±3.6 |
| Male/Female (%) | 52.9/47.1 |
| Height (cm) | 170.3±9.7 |
| Weight (kg) | 63.3±13.5 |
| BMI (kg/m) | 21.7±3.7 |
| Heart rate (bpm) | 87.7±12.5 |
| Systolic blood pressure (mmHg) | 114.8±17.8 |
| Diastolic blood pressure (mmHg) | 77.0±9.6 |
| FVC (%predicted) | 86.6±8.6 |
| FEV1 (%predicted) | 87.0±9.1 |
| FEV1/FVC (%) | 86.6±6.6 |
| PEF (%predicted) | 82.2±17.9 |
| Data are presented as mean±SD unless otherwise indicated. BMI – Body Mass Index; bpm – beats per minute; FVC – Forced Vital Capacity; FEV1 – Forced Expiratory Volume in 1 second; FEV1/FVC – the percentage of the FVC expired in one second; PEF – Peak Expiratory Flow. | |