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Table 3 Chest lesions, lobar involvement and distribution of lung opacities in radiologically positive (2876) patients

From: COVITALE 2020 from eastern Indian population: imageologists perspective, a learning curve

CT features No. of patients % among total patients(n = 4338) % among radiologically positive patients (n = 2876
Parenchymal opacifications
Only GGO present 1224 28.2 42.6
Both GGO and consolidation 1604 37 55.8
Only consolidation 48 1.1 1.6
Associated findings
Subpleural bands/Atelectasis/fibrotic stripes 1208 27.8 42
Septal thickening (crazy paving and reticular pattern) 874 20.1 30.4
Vascular widening 1038 23.9 36.1
Pulmonary nodules 618 14.2 21.4
Thoracic lymphadenopathy 244 5.62 8.48
Pleural effusion 94 2.1 2
Cavitatory lesion 4 0.09 0.13
Pleural thickening 66 1.52 2.29
Bronchiectasis 54 1.24 1.64
Pneumomediastinum 4 0.091 0.13
Pulmonary emphysema 50 1.2 1
Opacity distribution
Central 50 1.1 2
Peripheral 1266 29.1 53
Both 1076 24.8 45
No. Of lobes affected
1 lobe 482 11.11 16.75
2 or more lobes 2394 88.89 83.25
B/L lung disease 1916 44.16 66.62
U/L lung disease 476 16.5 10.97
Frequency of lobe involvement
RUL 1320 30.42 45.89
RML 1168 26.92 40.61
RLL 1750 40.34 60.8
LUL 1318 30.38 45.82
LLL 1680 38.72 58.41
AL 1272 29.32 44.22
  1. GGO—Ground-glass opacities; B/L—bilateral; U/L—unilateral; RUL—right upper lobe; RML—right middle lobe; RLL—right lower lobe; LUL—left upper lobe; LLL—left lower lobe; AL—all lobes