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. 2021 Mar 4;160(1):187–198. doi: 10.1016/j.chest.2021.02.062

Table 3.

Pulmonary Function, 6MWT Results, and Chest CT Scan Findings in All Patients at the 3-Month Follow-up

Variable Data
Pulmonary function (n = 62)
 FVC, % 81.5 ± 16.7
 FEV1, % 88.9 ± 19.1
 FEV1 to FVC ratio 81.4 ± 4.8
 TLC, % 83.8 ± 16.4
 ≥ 80% 39 (62.9)
 ≤ 50%-80% 22 (35.5)
 < 50% 1 (1.61)
 RV, % 89.4 ± 37.9
 Dlco, mL/min/mm Hg 67.8 ± 12.5
 ≥ 80% 11 (18.0)
 ≤ 60%-80% 34 (55.7)
 < 60% 16 (26.2)
6MWT (n = 60)
 Distance, m 400 (362-440)
 Oxygen saturation, %
 Average 96 (94.5-97)
 Initial 97 (96-97)
 Final 96 (94.8-96)
 Minimal 94 (93-96)
Chest CT scan findings (n = 57)
 Density
 Ground-glass 34 (59.6)
 Mixed ground-glass 9 (15.8)
 Consolidation 9 (15.8)
 Internal structures
 Interlobular septal thickening 46 (80.7)
 Bronchiectasis 41 (71.9)
 Atelectasis 14 (24.6)
 Solid nodule 22 (38.6)
 Nonsolid nodule 2 (3.5)
 No. of lobes affected by ground-glass or consolidative opacities 2.7 ± 2.0
 Lesions
 Reticular 28 (49.1)
 Fibrotic 12 (21.1)
 None 17 (29.8)
TSS score 4.8 ± 3.9

Data are presented as No. (%), mean ± SD, or median (interquartile range). 6MWT = 6-min walking test; Dlco = diffusing capacity for carbon monoxide; RV = residual volume; TLC = total lung capacity; TSS = total severity score.