Table 3.
Exercise performance and cardiovascular responses from the three graded exercise tests
| No Mask | Surgical Mask | FFP/N95 Mask | p Within Cond. | p Within Time | p Interact. | ||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Pre | Post | Pre | Post | Pre | Post | ||||
| Heart Rate (bpm) | 77 ± 10 | 194 ± 7 | 80 ± 10 | 193 ± 13 | 82 ± 8 | 194 ± 7 | 0.42 | < 0.001 | 0.22 |
| Systolic BP (mmHg) | 128 ± 11 | 156 ± 19 | 127 ± 15 | 158 ± 12 | 129 ± 13 | 161 ± 17 | 0.49 | < 0.001 | 0.87 |
| Diastolic BP (mmHg) | 72 ± 7 | 76 ± 27 | 71 ± 9 | 77 ± 10 | 73 ± 9 | 77 ± 11 | 0.93 | 0.06 | 0.90 |
| Oxygen Saturation (%) | 98 ± 1 | 92 ± 3 | 97 ± 2 | 88 ± 6 | 97 ± 1 | 85 ± 5 | < 0.001 | < 0.001 | < 0.001 |
| VO2max (ml·kg−1·min−1) | 43.4 ± 6.4 | 44.2 ± 6.4 | 44.1 ± 7.0 | 0.57 | __ | __ | |||
| Termination Time (min) | 12.2 ± 1.5 | 12.4 ± 1.5 | 12.4 ± 1.7 | 0.56 | __ | __ | |||
Note: Data reported as mean ± standard deviation. BP = blood pressure. VO2max = maximal oxygen consumption. RPE = rating of perceived exertion. Cond. = condition; difference between no mask/mask use. Time = difference pre- to post-test. Interact. = interaction between Condition and Time.