Id |
Subject |
Object |
Predicate |
Lexical cue |
T27 |
0-149 |
Sentence |
denotes |
The clinical symptoms associated with COVID-19 include fever, dry cough, dyspnea, and pneumonia, as described in the guideline released by the WHO13. |
T28 |
150-312 |
Sentence |
denotes |
It has been recommended to use the WHO’s case definition for influenza-like illness (ILI) and severe acute respiratory infection (SARI) for monitoring COVID-1913. |
T29 |
313-468 |
Sentence |
denotes |
As reported by the CHINA-WHO COVID-19 joint investigation group (February 28, 2020)14, autopsies showed the presence of lung infection in COVID-19 victims. |
T30 |
469-647 |
Sentence |
denotes |
Therefore, medical imaging of the lungs might be a suitable auxiliary diagnostic testing method for COVID-19 since it uses available medical technology and clinical examinations. |
T31 |
648-818 |
Sentence |
denotes |
Chest radiography (CXR) and chest computed tomography (CT) are the most common medical imaging examinations for the lungs and are available in most hospitals worldwide15. |
T32 |
819-995 |
Sentence |
denotes |
Different tissues of the body absorb X-rays to different degrees16, resulting in grayscale images that allow for the detection of anomalies based on the contrast in the images. |
T33 |
996-1116 |
Sentence |
denotes |
CT differs from normal CXR in that it has superior tissue contrast with different shades of gray (about 32–64 levels)17. |
T34 |
1117-1205 |
Sentence |
denotes |
The CT images are digitally processed18 to create a three-dimensional image of the body. |
T35 |
1206-1274 |
Sentence |
denotes |
However, CT examinations are more expensive than CXR examinations19. |
T36 |
1275-1412 |
Sentence |
denotes |
Recent studies reported that the use of CXR and CT images resulted in improved diagnostic sensitivity for the detection of COVID-1920,21. |
T37 |
1413-1507 |
Sentence |
denotes |
The interpretation of medical images is time-consuming, labor-intensive, and often subjective. |
T38 |
1508-1607 |
Sentence |
denotes |
The medical images are first annotated by experts to generate a report of the radiography findings. |
T39 |
1608-1721 |
Sentence |
denotes |
Subsequently, the radiography findings are analyzed, and clinical factors are considered to obtain a diagnosis15. |
T40 |
1722-1960 |
Sentence |
denotes |
However, during the current pandemic, the frontline expert physicians are faced with a massive workload and lack of time, which increases the physical and psychological burden on staff and might adversely affect the diagnostic efficiency. |
T41 |
1961-2162 |
Sentence |
denotes |
Since modern hospitals have advanced digital imaging technology, medical image processing methods may have the potential for fast and accurate diagnosis of COVID-19 to reduce the burden on the experts. |