Patient characteristics
| Characteristics . | Women with history of venous thromboembolism during pregnancy and puerperium (n = 243) . |
|---|---|
| Age at the time of thrombosis, years | |
| Mean | 27.9 |
| Range | 16.2-45.2 |
| Age at the time of blood sampling, years* | |
| Mean | 37.8 |
| Range | 16.9-78.2 |
| Body mass index >30 kg/m2 (%)† | 17.2 |
| Cigarette smoking (current or previous)‡ | 50 |
| Venous thromboembolism, no. (%) | |
| During pregnancy | 132 (54.3) |
| First trimester | 28 |
| Second trimester | 30 |
| Third trimester | 75 |
| Postpartum | 111 (45.7) |
| Vaginal delivery | 65 |
| Caesarean section | 46 |
| Venous thromboembolism during, no. (%) | |
| First pregnancy | 153 (62.97) |
| Second pregnancy | 43 (17.7) |
| Third pregnancy | 27 (11.11) |
| Fourth pregnancy | 14 (5.76) |
| Fifth pregnancy | 3 (1.23) |
| Sixth pregnancy | 3 (1.23) |
| Pulmonary embolism, no. (%)§ | |
| During pregnancy | 11 (8.3) |
| First trimester | 2 |
| Second trimester | 3 |
| Third trimester | 6 |
| Postpartum | 24 (21.6) |
| Vaginal delivery | 13 |
| Caesarean section | 11 |
| Characteristics . | Women with history of venous thromboembolism during pregnancy and puerperium (n = 243) . |
|---|---|
| Age at the time of thrombosis, years | |
| Mean | 27.9 |
| Range | 16.2-45.2 |
| Age at the time of blood sampling, years* | |
| Mean | 37.8 |
| Range | 16.9-78.2 |
| Body mass index >30 kg/m2 (%)† | 17.2 |
| Cigarette smoking (current or previous)‡ | 50 |
| Venous thromboembolism, no. (%) | |
| During pregnancy | 132 (54.3) |
| First trimester | 28 |
| Second trimester | 30 |
| Third trimester | 75 |
| Postpartum | 111 (45.7) |
| Vaginal delivery | 65 |
| Caesarean section | 46 |
| Venous thromboembolism during, no. (%) | |
| First pregnancy | 153 (62.97) |
| Second pregnancy | 43 (17.7) |
| Third pregnancy | 27 (11.11) |
| Fourth pregnancy | 14 (5.76) |
| Fifth pregnancy | 3 (1.23) |
| Sixth pregnancy | 3 (1.23) |
| Pulmonary embolism, no. (%)§ | |
| During pregnancy | 11 (8.3) |
| First trimester | 2 |
| Second trimester | 3 |
| Third trimester | 6 |
| Postpartum | 24 (21.6) |
| Vaginal delivery | 13 |
| Caesarean section | 11 |
The mean age at time of blood sampling among normal women was 37.7 years (range, 18.1-75.2 years; P = .97).
BMI at age of blood sampling: 12.8% of control women had a BMI >30 (P = .23; OR, 1.42).
Forty-five percent of control women smoked at the time of blood sampling or previously (P = .392; OR, 1.22).
Already counted in the VTE group.