Table 1.
Characteristics of relatives with and without IT
| IT (n = 146) | No IT (n = 387) | Total (n = 533) | P | |
|---|---|---|---|---|
| Sex, % male | 69 (47.3) | 191 (49.5) | 260 (48.9) | .7 |
| BMI, kg/m2 | 26 (18-43) | 26 (17-40) | 26 (17-43) | .6 |
| BMI, SD score | 0 (−1.2-3.0) | 0 (−1.5-3.0) | 0 (−1.5-3.0) | .8 |
| HRT/oral contraceptives, % female | 6.3 | 8.5 | 7.9 | .3 |
| Smoking, % | 21.4 | 17.2 | 18.3 | .3 |
| Median exposure time, y (range) | 33 (0-60) | 38 (0-73) | 37 (0-73) | .1 |
| Exposure time, person-years | 4711 | 13 567 | 18 278 |
Categorical variables are presented as percentages. Continuous variables are presented as median (range). χ2 test for comparison of categorical data, Mann-Whitney test for comparison of continuous data.
HRT indicates hormone replacement therapy; and IT, inherited thrombophilia.