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Table 1 Characteristics of the Participants at Baseline

From: The impact of follicle-flushing during oocyte collection on embryo development of in-vitro fertilization

 Difficulty groupControlP Value
(N = 133)(N = 1581) 
Age---yr28.99 ± 3.1428.98 ± 3.100.99
Body-mass index20.82 ± 1.3220.89 ± 1.200.52
Antral Follicle Count (AFC)17.50 ± 6.1816.81 ± 5.640.50
Duration of infertility (year)3.56 ± 2.513.44 ± 2.670.79
 Type of infertility
  Primary81980 
  Secondary52601 
Laboratory tests
 Follicle-stimulating hormone---IU/liter7.66 ± 3.107.81 ± 2.740.67
 Luteinizing hormone---IU/liter6.79 ± 4.876.14 ± 3.980.24
 Estradiol---pg/ml48.45 ± 36.8845.20 ± 77.680.68
 Total testosterone---ng/ml1.30 ± 5.881.48 ± 6.740.83
  1. Note: Values are mean (±SD) unless otherwise indicated