Total (N = 31) | Positive (n = 4) | Negative (n = 27) | P Value a | |
---|---|---|---|---|
First CT, negative, (%) | 3(9.7%) | 1(25.0%) | 2(7.4%) | 0.349 |
First CT, positive, (%) | 28(90.3%) | 3(75.0%) | 25(92.6%) | |
Number of involved segments | 9.3 ± 6.1 | 11 ± 8.9 | 9.1 ± 5.9 | 0.726 |
Involvement, (%) | ||||
Single lobe | 5(17.9%) | 1(33.3%) | 4(16.0%) | 0.459 |
Bilateral lobe | 23(82.1%) | 2(66.7%) | 21(84.0%) | |
Distribution, (%) | ||||
Central | 0 | 0 | 0 | – |
Peripheral | 15(53.6%) | 1(33.3%) | 14(56.0%) | 0.583 |
Central + Peripheral | 13(46.4%) | 2(66.7%) | 11(44.0%) | |
Degree, (%) | ||||
Single lesion | 4(14.3%) | 1(33.3%) | 3(12.0%) | 0.217 |
Multiple lesions | 13(46.4%) | 0(0.0%) | 13(52.0%) | |
Diffuse lesions | 11(39.3%) | 2(66.7%) | 9(36.0%) | |
Imaging Features, (%) | ||||
GGO | 27(96.4%) | 1(66.7%) | 25(100.0%) | 0.107 |
Consolidation | 19(67.9%) | 3(100.0%) | 16(64.0%) | 0.530 |
Linear opacities | 19(67.9%) | 2(66.7%) | 17(68.0%) | 1.000 |
Mixed type | 22(78.6%) | 2(66.7%) | 20(80.0%) | 0.530 |
Interstitial change | ||||
Interlobular septal thickening | 3(10.7%) | 1(3.3%) | 2(8.0%) | 0.298 |
Intralobular interstitial thickening | 21(75.0%) | 2(66.7%) | 19(76.0%) | 1.000 |
Other signs, (%) | ||||
Nodule | 8(28.6%) | 1(33.3%) | 7(28.0%) | 1.000 |
Dilatation of vessels | 26(92.9%) | 2(66.7%) | 24(96.0%) | 0.206 |
Bronchial wall thickening | 13(46.4%) | 2(66.7%) | 11(44.0%) | 0.583 |
Air bronchogram | 5(17.9%) | 0(0.0%) | 5(20.0%) | 1.000 |
Crazy-paving pattern | 3(10.7%) | 0(0.0%) | 3(12.0%) | 1.000 |
Halo sign | 7(25.0%) | 1(33.3%) | 6(24.0%) | 1.000 |
Reversed halo sign | 0(0.0%) | 0(0.0%) | 0(0.0%) | – |
Pleural thickening | 4(14.3%) | 0(0.0%) | 4(16.0%) | 1.000 |
Hydrothorax | 0(0.0%) | 0(0.0%) | 0(0.0%) | – |
Lymphadenectasis | 0(0.0%) | 0(0.0%) | 0(0.0%) | – |
CT scores | ||||
On admission | 7.7 ± 4.6 | 10.3 ± 8.3 | 7.4 ± 4.1 | 0.532 |
On discharge | 5.6 ± 3.5 | 8.0 ± 7.2 | 5.3 ± 2.9 | 0.433 |
After discharge | 4.4 ± 2.7 | 8.5 ± 2.1 | 3.8 ± 2.2 | 0.038 |