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Table 1 Clinical and demographic characteristics of the study population

From: Plasma concentrations of D-dimer and outcome of in vitro fertilization

Characteristic Viable pregnancy P value
Yes (n = 40) No (n = 65)
Age, years 36 (27–43) 36 (26–43) 0.97
BMI, kg/m2 22 (17–39) 21 (16–39) 0.26
Smoking 7 (17) 11 (17) 0.94
Arterial hypertension 0 1 (1) 0.43
Diabetes 0 0 -
History of cardio-cerebrovascular disease 1 (2) 0 0.20
History of venous thromboembolism 0 0 -
Indication for IVF    0.26
  Male factor 11 (27) 26 (40)
  Tubaric 8 (20) 13 (20)
  Idiopathic 15 (37) 15 (23)
  Ovulatory 5 (12) 4 (6)
  Endometriosis 1 (2) 5 (8)
  Recurrent miscarriage 0 2 (3)
Previous pregnancy 8 (20) 9 (14) 0.41
Previous miscarriage    0.62
  No 37 (92) 57 (88)
  1 1 (2.5) 5 (8)
  2 1 (2.5) 2 (3)
  3 1 (2.5) 1 (1)
  ≥ 3 0 0
Number of previous cycles    0.31
  0 32 30
  1 8 20
  2 3 3
  3 4 3
  >3 1 1
Embryos transferred    0.98
  1 1 (2) 2 (3)
  2 4 (10) 7 (11)
  3 34 (85) 55 (85)
  4 1 (2) 1 (1)
Total dose of administered FSH (IU) 2775 (440–7157) 3225 (1000–6300) 0.13
Basal FSH mUI/ml 6.6 (4.2-12.3) 7.4 (2.1-18.3) 0.31
  1. Legend: Continuous variables are presented as means ± standard deviations (SD), or as medians with their range, in case of skewed distributions. Data are presented as absolute numbers (%) for ordinal variables. BMI body-mass index; FSH = ; IU international units; IVF in-vitro fertilization; r-hCG recombinant human chorionic gonadotropin.