Table 2 COVID-19 mortality according diabetes or without diabetes
| Â | Study type | Population (n.) | With diabetes n. (%) | Covid-19 mortality | ||
|---|---|---|---|---|---|---|
With diabetes n. (%) | Without diabetes n. (%) | P-value or RR* | ||||
Zhang et al. [97] | Retrospective | 258 | 63 (24) | 7 (11.1) | 8 (4.1) | 0.039 |
Zhou et al. [30] | Retrospective | 191 | 36 (19) | 17 (31) | 19 (14) | 0.0051 |
Zhu et al. [89] | Retrospective | 7337 | 952 (13) | 74 (7.8) | 174 (2.7) | < 0.001 |
Yan et al. [98] | Retrospective | 193 | 48 (25) | 39 (81.3) | 69 (47.6) | < 0.001 |
Barron et al. [99] | Cohort-study | 61,414,470 | 2,864,670 (4.7) | 7434 (31.4) | 15,831 (0.02) | 2.03 (1.97–2.09)* |