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Table 2 Reproductive history of patients admitted to the study

From: Pregnancy complications in G20210A mutation carriers associated with high prothrombin activity

Clinical manifestation of prothrombin G20210A mutation Study group
n = 140
Control group n = 150 Statistics
total % total % p OR. 95%CI
Total number of pregnancies 363 451 > 0.05
Artificial abortion 47 12.5 46 10.2 0.2 1.3 (0.9–1.9)
Planned pregnancy 316 87.1 406 90.0 0.2 0.97 (0.9–1.0)
Reproductive losses up to 12 weeks 92 9.1 47 11.6 < 0.0001 2.5 (1.8–3.5)
 non-developing pregnancy 53 16.8 11 2.4 < 0.0001 6.2 (3.2–11.7)
 spontaneous miscarriage 32 10.1 31 7.6 0.2 1.3 (0.8–2.1)
 ectopic pregnancy 7 1.9 5 1.1 0.2 2.2 (0.7–7.6)
Favorable pregnancy 133 42 304 74.6 < 0.0001 1.8 (1.5–2.0)
Total number of deliveries 207 65.5 359 88.4 < 0.0001 1.3 (1.2–1.5)
Preterm delivery 30 9.5 6 1.5 < 0.0001 6.4 (2.7–15.2)
Fetal growth restriction 21 6.6 16 3.9 0.1 1.7 (0.9–3.2)
Preeclampsia 26 8.2 13 3.2 0.004 2.6 (1.3–4.9)
severe preeclampsia 15 4.7 2 0.5 0.003 9.6 (2.2–41.8)
Antenatal fetal death 6 1.9 1 0.2 0.06 7.7 (0.9–63.7)