Table 3.
Mean ages at blood sample for cases and controls from the Umeå, Malmö, and Copenhagen cohorts
| Positive | Negative | |||
|---|---|---|---|---|
| Mean age (years) | No. of Subjects | Mean age (years) | No. of Subjects | |
| Immunoglobulin G antibodies | ||||
| Controls | ||||
| Adenovirus | 54.7 | 389 | 58.7 | 5 |
| Cytomegalovirus | 54.8 | 336 | 54.6 | 58 |
| Epstein-Barr virusa | 54.6 | 347 | 56.7 | 44 |
| Varicella-zoster virus | 54.7 | 390 | 59.2 | 4 |
| Cases | ||||
| Adenovirus | 54.8 | 197 | 0 | |
| Cytomegalovirus | 54.7 | 170 | 55.4 | 27 |
| Epstein-Barr virusa | 55.0 | 164 | 53.8 | 32 |
| Varicella-zoster virus | 54.7 | 194 | 60.3 | 3 |
Positive or negative for immunoglobulin G antibody levels for adenovirus, cytomegalovirus, Epstein-Barr virus, and varicella-zoster virus. There are no differences in mean age for cases and controls as the controls are matched to cases on age and year of blood sample
aBased on immunoglobulin G antibody levels analyzed using EBNA