TABLE 1.
Demographic data/volunteers' and patients' characteristics
| Volunteers (n = 10) | Patients with COVID‐19 (n = 12) | p | |
|---|---|---|---|
| Age (years) | 30 (26–35) | 59 (43–72) | .016* |
| Gender (male/female) | 6/4 | 8/4 | 1.000 |
| Height (m) | 1.77 (1.72–1.85) | 1.77 (1.68–1.83) | .643 |
| Weight (kg) | 70 (65–81) | 88 (81–98) | .044* |
| O2 applied (l/min) | n.a. | 2 (2–4) | n.a. |
| sO2 (%) | n.a. | 94 (92–96) | n.a. |
| pO2 capillary (kPa) | n.a. | 8.8 (8.0–11.5) | n.a. |
| pCO2 capillary (kPa) | n.a. | 4.0 (3.9–4.7) | n.a. |
| Ph | n.a. | 7.48 (7.44–7.48) | n.a. |
Note: Data are presented as median (interquartile range); categorical data are presented as frequencies; p < .05 was considered as statistically significant (*); O2: oxygen; l/min: liters per minute; data from capillary blood gas analysis: sO2: oxygen saturation; pO2: partial pressure of oxygen; pCO2: partial pressure of carbon dioxide. m: metres; kg: kilograms; kPa: kilo‐Pascal n.a.: data not available/not applicable.