Table 6.
Frequency and centrality of the top 10 key words.
| Ranked by frequency | ||||
|---|---|---|---|---|
| Rank | Frequency | Centrality | Year | Key word |
| 1 | 330 | 0 | 2020 | diabetes mellitus |
| 2 | 249 | 0.2 | 2020 | mortality |
| 3 | 195 | 0 | 2020 | mellitus |
| 4 | 183 | 0.22 | 2020 | outcome |
| 5 | 168 | 0.22 | 2020 | risk |
| 6 | 144 | 0.07 | 2020 | type 1 diabetes |
| 7 | 131 | 0 | 2020 | type 2 diabetes |
| 8 | 124 | 0.36 | 2020 | coronavirus |
| 9 | 118 | 0.07 | 2020 | glycemic control |
| 10 | 110 | 0.45 | 2020 | impact |
| Ranked by centrality | ||||
|---|---|---|---|---|
| Rank | Frequency | Centrality | Year | Key word |
| 1 | 3 | 0.92 | 2023 | england |
| 2 | 86 | 0.76 | 2020 | risk factors |
| 3 | 124 | 0.72 | 2020 | coronavirus |
| 4 | 66 | 0.69 | 2020 | pneumonia |
| 5 | 249 | 0.68 | 2020 | mortality |
| 6 | 57 | 0.6 | 2020 | coronavirus disease 2019 |
| 7 | 4 | 0.59 | 2023 | onset |
| 8 | 110 | 0.57 | 2020 | impact |
| 9 | 195 | 0.55 | 2020 | mellitus |
| 10 | 56 | 0.55 | 2020 | receptor |