Table 2 Description of the main characteristics in the MEGA sample
Variables | MEGA sample | ||
|---|---|---|---|
Total N = 1,248 | Recurrences N = 428 | Non-recurrences N = 820 | |
N (%) | N (%) | N (%) | |
Gender | |||
Men | 661 (49.0%) | 272 (63.6%) | 389 (47.4%) |
Age at the first VT (mean ± SD) | 48.0 ± 12.8 | 49.8 ± 12.8 | 47.1 ± 12.8 |
Type of the first VT | |||
DVT | 763 (61.1%) | 270 (63.1%) | 493 (60.1%) |
Characteristic of the first VT | |||
Provoked | 847 (67.9%) | 237 (55.4%) | 610 (74.4%) |
Delay of follow-up since inclusion (In years, mean ± SD) | 5.2 ± 2.9 | 3.1 ± 2.2 | 6.3 ± 2.7 |
ABO haplotypes | |||
A1 | 28.9% | 31.8% | 27.4% |
A2 | 7.0% | 7.7% | 6.6% |
O1 | 53.4% | 50.9% | 54.7% |
O2 | 1.8% | 1.5% | 2.0% |
B | 8.9% | 8.1% | 9.3% |