| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T9 |
0-7 |
Sentence |
denotes |
Results |
| T10 |
8-163 |
Sentence |
denotes |
Eleven studies provided data of IL-6 levels in patients with severe to critical COVID-19 (severe) and patients with mild to moderate COVID-19 (non-severe). |
| T11 |
164-218 |
Sentence |
denotes |
The included studies were of moderate to high quality. |
| T12 |
219-380 |
Sentence |
denotes |
The mean patients’ age was 60.9 years, ranging from 45.2 to 76.7 years in the severe group and 46.8 years, ranging from 37.9 to 61 years, in the nonsevere group. |
| T13 |
381-473 |
Sentence |
denotes |
Fifty-two percent were male in the severe group, as compared to 46% in the non-severe group. |
| T14 |
474-658 |
Sentence |
denotes |
An overall random effects meta-analysis showed significantly higher serum levels of IL-6 in the severe group than in the non-severe group with a mean difference of +23.1 pg/mL (95% CI: |
| T15 |
659-721 |
Sentence |
denotes |
12.42–33.79) and the overall effect of 4.24 (P-value < 0.001). |
| T16 |
722-843 |
Sentence |
denotes |
Meta-regressions showed that neither age nor sex significantly influenced the mean difference of IL-6 between the groups. |
