Main characteristics of the study population
| Features . | Carriers (N = 81) . | Noncarriers (N = 62) . |
|---|---|---|
| Males (%) | 36 (44.4%) | 28 (45.2%) |
| Age, median, y (range) | 9 (1-14) | 9 (1-14) |
| Carriership state | ||
| Antithrombin defect | 9 | |
| Protein C defect | 13 | |
| Protein S defect | 3 | |
| Factor V Leiden | 41 | |
| Prothrombin mutation | 15 | |
| Mean length of follow-up, y (range) | 4.9 (1-8) | 4.8 (1-8) |
| Observation years | 395 | 296 |
| Features . | Carriers (N = 81) . | Noncarriers (N = 62) . |
|---|---|---|
| Males (%) | 36 (44.4%) | 28 (45.2%) |
| Age, median, y (range) | 9 (1-14) | 9 (1-14) |
| Carriership state | ||
| Antithrombin defect | 9 | |
| Protein C defect | 13 | |
| Protein S defect | 3 | |
| Factor V Leiden | 41 | |
| Prothrombin mutation | 15 | |
| Mean length of follow-up, y (range) | 4.9 (1-8) | 4.8 (1-8) |
| Observation years | 395 | 296 |