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Table 1 CT imaging findings of patients (GGO; ground glass opacity, RT-PCR; reverse transcription polymerase chain reaction)

From: Chest CT in COVID-19 pneumonia: correlations of imaging findings in clinically suspected but repeatedly RT-PCR test-negative patients

Group RT-PCR (+) (n = 85) RT-PCR (−) (n = 45) P
Lesion patterns
GGO 29 (34,1%) 22 (48.9%) 0.101
GGO + Consolidation
 Nodular 11 (12.9%) 8 (17.8%) 0.552
 Patchy 26 (30.6%) 16 (35.6%) 0.565
 Segmental 1 (1.2%) 3 (6.7%) 0.850
Consolidation 11 (12.9%) 10 (22.2%) 0.171
Crazy paving pattern 3 (3.5%) 1 (2.2%) 0.681
Curvilinear line 8 (9.4%) 11(24.4%) 0.021
Air bubble sign 2 (2.4%) 1 (2.2) 0.962
Halo sign 3 (3.5%) 0 (0.0%) 0.202
Reversed halo sign 3 (3.5%) 1 (2.2) 0.681
Air bronchogram 9 (10.6%) 6 (13.3%) 0.641
Airway changes 2 (2.4%) 2 (4.4%) 0.511
Fibrous stripes 21 (24.7%) 12 (26.7%) 0.807
Distribution pattern
Peripheral 52 (61.2%) 25 (55.6%) 0.535
Central 1 (1.2%) 0 (0.0%) 0.465
Peripheral + Central 15 (17.6%) 20 (44.4%) 0.001
Distribution
Bilateral 57 (67.1%) 39 (86.7%) 0.016
Right upper lobe 39 (45.9%) 34 (75.6%) 0.01
Right middle lobe 31 (36.5%) 27 (60.0%) 0.10
Right lower lobe 54 (63.5%) 40 (88.9%) 0.02
Left upper lobe 41 (48.2%) 34 (75.6%) 0.03
Left lower lobe 63 (74.1%) 40 (88.9%) 0.048