Table 2. Number of diabetes events in each cohort, with person-years of follow-up, by COVID-19 severity.
| Pre-vaccination cohort (n=16 674 867) median follow-up 714 (IQR 714-714) days |
Vaccinated cohort (n=12 279 669) median follow-up 190 (IQR 147-197) days |
Unvaccinated cohort (n=3 076 953) median follow-up 126 (IQR 106-172) days |
||||||
|---|---|---|---|---|---|---|---|---|
| Event (person-years) | Incidence rate* | Event/person-years | Incidence rate* | Event/person-years | Incidence rate* | |||
| All participants | ||||||||
| Type 2 diabetes | ||||||||
| No COVID-19 | 139 209 (31 273 857) | 445 | 33 423 (5 499 661) | 608 | 2535 (1 143 275) | 222 | ||
| Hospitalised COVID-19 | 1509 (33 944) | 4446 | 171 (1718) | 9953 | 153 (1526) | 10 029 | ||
| Non-hospitalised COVID-19 | 4815 (891 523) | 540 | 771 (141 203) | 546 | 93 (25 817) | 360 | ||
| Type 1 diabetes | ||||||||
| No COVID-19 | 15 087 (31 385 955) | 48 | 2523 (5 507 811) | 46 | 687 (1 143 784) | 60 | ||
| Hospitalised COVID-19 | 63 (35 505) | 177 | 3 (1757) | 171 | 21 (1554) | 1351 | ||
| Non-hospitalised COVID-19 | 897 (896 274) | 100 | 93 (141 453) | 66 | 39 (25 834) | 151 | ||
| Gestational diabetes | ||||||||
| No COVID-19 | 19 671 (15 807 408) | 124 | 1461 (2 956 484) | 49 | 1755 (475 611) | 369 | ||
| Hospitalised COVID-19 | 27 (15 731) | 172 | 3 (832) | 360 | 3 (708) | 424 | ||
| Non-hospitalised COVID-19 | 1041 (488 190) | 213 | 57 (79 182) | 72 | 81 (13 249) | 611 | ||
| Other or non-specified diabetes | ||||||||
| No COVID-19 | 16 905 (31 388 172) | 54 | 5781 (5 507 103) | 105 | 579 (1 143 781) | 51 | ||
| Hospitalised COVID-19 | 93 (35 499) | 262 | 9 (1755) | 513 | 9 (1556) | 578 | ||
| Non-hospitalised COVID-19 | 585 (896 842) | 65 | 117 (141 449) | 83 | 21 (25 841) | 81 | ||
| Restricted to participants with at least 4 months follow-up | ||||||||
| Type 2 diabetes | ||||||||
| No COVID-19 | 139 209 (31 258 556) | 445 | · · | · · | · · | · · | ||
| Hospitalised COVID-19 | 1383 (33 382) | 4143 | · · | · · | · · | · · | ||
| Non-hospitalised COVID-19 | 4731 (890 542) | 531 | · · | · · | · · | · · | ||
| Persistent type 2 diabetes | · · | · · | · · | · · | ||||
| No COVID-19 | 86 031 (31 291 469) | 275 | · · | · · | · · | · · | ||
| Hospitalised COVID-19 | 837 (33 868) | 2471 | · · | · · | · · | · · | ||
| Non-hospitalised COVID-19 | 2649 (891 982) | 297 | · · | · · | · · | · · | ||
*
Incidence rates are per 100 000 person-years.