Table 2.
Incidence of verified celiac disease or a positive tissue transglutaminase antibody test (CD) and baseline characteristics among patients without a previous Covid-19 infection and with a previous infection
| CD without previous Covid-19 | CD with previous Covid-19 | Difference (95% CI)** | p-value | |
|---|---|---|---|---|
| Cases (no) | 533 | 35 | ||
| Person-years (no) | 2 383 813 | 166 098 | ||
| Incidence rate* | 22.4 | 21.1 | -1.3 (-8.5–5.9) | 0.75 |
| Gender (% women) | 57.4% | 57.1% | 0.98 | |
| Mean age (range) | 23.9 years (0.8–87.8) | 32.9 years (7.0–86.0) | 9.0 years (1.3–16.7) | 0.022 |
* Incidence rate as cases per 100 000 person-years. ** Incidence rate difference and mean difference in age with 95% confidence intervals