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. 2021 Sep 21;8:711435. doi: 10.3389/fmed.2021.711435

Table 4.

The clinical baseline and CT manifestations from the last scan in patients with COVID-19 with incomplete absorption status after discharge.

All (n = 67) Parenchymal band (n = 23) Opacification (n = 44) p -value
Age 46.81 ± 13.66 45.39 ± 14.16 47.40 ± 13.62 0.551
Gender, male/female 37/30 8/15 29/15 0.030
Underlying comorbidity yes/no 20/47 3/20 17/27 0.058
Clinical group: non-severe/severe 49/18 17/6 32/12 1.000
Period between onset and the last follow-up CT scan, median (IQR), day 60.00 (48.50–87.00) 75.00 (55.00–168.00) 58.00 (46.25–77.00) 0.0027*
Pulmonary lobe involved
Right upper lobe 23 (34.3%) 3 (13.0%) 20 (46.5%) 0.014
Right middle lobe 23 (34.3%) 7 (30.4%) 16 (37.2%) 0.780
Right lower lobe 47 (70.2%) 13 (56.5%) 34 (79.1%) 0.101
Left upper lobe 25 (37.3%) 6 (26.1%) 19 (44.2%) 0.239
Left lower lobe 35 (52.2%) 13 (56.5%) 22 (51.2%) 0.875
Location of lesions
Subpleural 50 (74.6%) 18 (78.3%) 32 (74.4%) 0.843
Both 17 (25.4%) 5 (21.7%) 12 (27.9%)
The existence of opacification /
GGO / / 37 (86.5%)
Mixed (Mainly GGO) / / 4 (9.3%)
Mixed (Mainly Consolidation) / / 2 (4.7%)
Consolidation / / 1 (2.3%)
Extent Score / / 2.66 ± 3.47 /
Halo Sign 1 (1.5%) 0 (0%) 1 (2.3%) 1.000*
Reverse Halo Sign 0 (0 %) 0 (0%) 0 (0%) /
Reticular patterns 0 (0%) 0 (0%) 0 (0%) /
Air Bronchogram 0 (0%) 0 (0 %) 0 (0%) /
Bronchiolectasis 1 (1.5%) 0 (0%) 1 (2.3%) 1.000*
Vascular Enlargement 0 (0 %) 0 (0.00%) 0 (0%) /
Crazy-paving sign 0 (0%) 0 (0%) 0 (0.00%) /
Pleural thickening 1 (1.5%) 0 (0 %) 1 (2.3%) 1.000*
Pleural traction 0 (0%) 0 (0%) 0 (0%) /
Pleural effusion 0 (0 %) 0 (0%) 0 (0%) /
Mediastinal Lymphadenopathy 0 (0 %) 0 (0%) 0 (0%) /
*

CT manifestations from the scan before discharge.

CT manifestations from the scan at the peak stage.

The p value in bold indicates that P is less than 0.05 and is statistically significant.