| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T47 |
0-8 |
Sentence |
denotes |
Patients |
| T48 |
9-160 |
Sentence |
denotes |
Ethical approvals by the institutional review boards were obtained for this retrospective analysis, and the need to obtain informed consent was waived. |
| T49 |
161-478 |
Sentence |
denotes |
From January 1 to February 8, 2020, seventy consecutive patients with COVID-19 admitted in 5 independent hospitals from 4 cities were enrolled in this study (mean age, 42.9 years; range, 16–69 years), including 41 men (mean age, 41.8 years; range, 16–69 years) and 29 women (mean age, 44.5 years; range, 16–66 years). |
| T50 |
479-584 |
Sentence |
denotes |
All patients were confirmed with SARS-CoV-2 infection by real-time RT-PCR and next-generation sequencing. |
| T51 |
585-709 |
Sentence |
denotes |
Of these patients, 24 were from Huizhou City, 25 from Shantou City, 15 from Yongzhou City, and the rest 6 from Meizhou City. |
| T52 |
710-996 |
Sentence |
denotes |
At the same period, another 66 pneumonia patients without COVID-19 from Meizhou People’s Hospital were recruited as controls (mean age, 46.7 years; range, 0.3–93 years), including 43 men (mean age, 46.0 years; range, 0.3–93 years) and 23 women (mean age, 48.0 years; range, 1–86 years). |
| T53 |
997-1069 |
Sentence |
denotes |
All the controls were confirmed with consecutive negative RT-PCR assays. |
| T54 |
1070-1219 |
Sentence |
denotes |
Figure E1 in the Supplementary Material shows the patient recruitment pathway for the control group, along with the inclusion and exclusion criteria. |
| T55 |
1220-1357 |
Sentence |
denotes |
According to previous studies [19–21], whose sample size is comparable with ours, the ratio between primary and validation cohort is 7:3. |
| T56 |
1358-1478 |
Sentence |
denotes |
In this study, a total of 136 patients were divided into primary (n = 98) and validation (n = 38) cohorts, close to 7:3. |
| T57 |
1479-1760 |
Sentence |
denotes |
A total of 19 COVID-19 patients from two hospitals (6 patients from Meizhou People’s Hospital and 13 patients from the First Affiliated Hospital of Shantou University Medical College) and 19 randomly selected controls from Meizhou City were incorporated into the validation cohort. |
| T58 |
1761-1934 |
Sentence |
denotes |
The rest of the patients are incorporated in the primary cohort, including 51 COVID-19 patients from Huizhou, Yongzhou, and Shantou cities and 47 controls from Meizhou City. |
| T59 |
1935-2125 |
Sentence |
denotes |
The primary cohort was utilized to select the most valuable features and build the predictive model, and the validation cohort was used to evaluate and validate the performance of the model. |
