Table 2 The safety and comfort tests (N = 18)
From: A full-face mask for protection against respiratory infections
Time | 0Â min median (IQR) | 20Â min median (IQR) | 40Â min median (IQR) | 60Â min median (IQR) | p |
|---|---|---|---|---|---|
SPO2 (%) | 98.0 (97.0–98.0) | 98.0 (97.8–98.0) | 98.0 (98.0–99.0) | 98.0 (97.0–98.0) | 0.29 |
EtCO2(mmHg) | 33.0 (26.8–35.3) | 28.0 (26.5–34.0) | 30.0 (26.0–35.3) | 30.0 (26.3–32.8) | 0.49 |
SBP (mmHg) | 125.5 (112.5–139.8) | 115.5 (112.8–144.8) | 127.5 (115.5–133.3) | 129.0 (115.5–139.5) | 0.90 |
DBP (mmHg) | 80.0 (72.5–96.3) | 76.5 (73.5–97.5) | 78.5 (74.0–88.3) | 81.0 (75.0–93.0) | 0.72 |
HR (beats/min) | 75.0 (70.0–80.5) | 76.0 (70.3–81.3) | 74.0 (69.0–81.0) | 75.5 (67.0–79.75) | 0.98 |
RR (beats/min) | 19.0 (18.0–24.0) | 20.0 (19.0–24.0) | 21.0 (18.0–22.5) | 19.0 (17.0–21.0) | 0.05 |
Comfort score | 2.0 (2.0–3.0) | 3.0 (2.0–3.0) | 3.0 (2.0–3.0) | 3.0 (2.0–4.0) | 0.02* |
Vision clarity score | 2.0 (1.8–2.3) | 2.0 (2.0–3.0) | 2.0 (2.0–3.0) | 2.0 (2.0–3.0) | 0.07 |