Table 1.
Characteristics of study participants.
| Parameter | Value |
|---|---|
| Age, years, mean (SD) | 55.23 (10.64) |
| Male, n (%) | 23/30 (76.66) |
| BMI, kg/m2, mean (SD) | 28.85 (5.12) |
| Packyears, median [IQR] | 15 [8–30] |
| Hospitalization days, median [IQR] | 12 [7–26.25] |
| CT initial lung involvement 0–4 scale, points [IQR] | 3 [2–4] |
| Invasive ventilation, n | 0 |
| Non-invasive ventilation, n | 4 |
| HFNOT, n | 9 |
| Mean initial saturation, %, mean (SD) | 95.53 (1.79) |
| Mean initial heart rate, bpm, mean (SD) | 78.48 (8.62) |
| Mean initial dyspnea, 1–5 visual scale, points, mean (SD) | 1.70 (0.70) |
| Mean initial cough, 1–5 visual scale, points (SD) | 1.43 (0.62) |
| FEV1, L, mean (SD) | 2.75 (1.01) |
| FEV1, %, mean (SD) | 78.15 (20.36) |
| FVC, L, mean (SD) | 3.36 (1.32) |
| FVC, %, mean (SD) | 75 (21.27) |
| TLC, L, median, [IQR] | 5.04 [4.24–6.75] |
| TLC, %, mean, (SD) | 79.96 (24.93) |
| TL,CO, mL/min/mm Hg, mean, (SD) | 6.27 (2.72) |
| TL,CO, %, mean, (SD) | 73.37 (27.98) |
BMI body mass index, CT computed tomography, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, HFNOT high flow nasal oxygen cannula, TLC total lung capacity, TL,CO transfer factor of the lung for carbon monoxide.