Table 1.
Tuberculosis screening cohort characteristics at time of tuberculin skin test, according to multiple sclerosis status and sex
| Females |
Males |
|||
|---|---|---|---|---|
| MS | Non-MS | MS | Non-MS | |
| Participants (N) | 469 | 145 559 | 210 | 133 653 |
| Age at BCG [mean years (SD)] | 13.3 (1.4) | 13.4 (1.4) | 13.2 (1.3) | 13.2 (1.3) |
| Age at TST [mean years (SD)] | 19.7 (4.3) | 21.1 (4.8) | 18.9 (3.9) | 20.7 (4.8) |
| Years between BCG vaccination and TST [mean (SD)] | 6.4 (4.3) | 7.8 (4.6) | 5.7 (3.9) | 7.4 (4.6) |
| Birth year [mean (SD)] | 1949 (4.9) | 1947 (5.4) | 1950 (4.5) | 1948 (5.4) |
| BMI [mean kg/m2 (SD)] | 22.0 (3.1) | 22.1 (2.8) | 22.3 (2.8) | 21.9 (2.6) |
| TST infiltrate size [mean mm (SD)] | 5.5 (2.6) | 6.0 (2.9) | 6.1 (2.5) | 6.5 (2.8) |
MS, multiple sclerosis; BCG, Bacillus Calmette–Guérin; TST, tuberculin skin test; SD, standard deviation.