| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T121 |
0-125 |
Sentence |
denotes |
CRB-65 is a generally accepted tool used for assessing the severity of pneumonia because of its simplicity and effectiveness. |
| T122 |
126-284 |
Sentence |
denotes |
It is based on confusion, respiratory rate (>30/min), systolic blood pressure (≤90 mmHg) or diastolic blood pressure (≤60 mmHg), and age (≥65 years) [22, 23]. |
| T123 |
285-540 |
Sentence |
denotes |
Given that pneumonia is the major clinical feature of hospitalised COVID-19 patients [24], and all participants enrolled had pneumonia, as confirmed by chest computed tomography (CT) scans, CRB-65 was used in this study to assess the severity of COVID-19. |
| T124 |
541-759 |
Sentence |
denotes |
CRB-65 measures the severity of pneumonia on a 0 to 4 scale, and we grouped scores into three risk levels (CRB-65 score of 0; CRB-65 score of 1–2; CRB-65 score of 3–4) according to Ewig et al [23] and Lepper et al [9]. |
| T125 |
760-861 |
Sentence |
denotes |
CRB-65 score 0, 1–2 and 3–4 are, respectively, representative of mild, moderate and severe pneumonia. |
