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Table 1 Characteristics of the patients

From: The cumulative live birth rate of recombinant follicle-stimulating hormone alfa verse urinary human follicle-stimulating hormone for ovarian stimulation in assisted reproductive technology cycles

Variables uFSH
(n = 764)
rFSH-alfa
(n = 314)
P
Age (years) 29.4 ± 3.8 29.1 ± 3.6 0.310
BMI (kg/m2) 22.4 ± 3.2 22.1 ± 3.6 0.206
Duration of infertility (years) 3.0 (2.0–5.0) 3.0 (2.0–4.0) 0.331
Basic AMH (ng/ml) 3.14 (1.95–5.11) 3.63 (2.57–5.41) 0.147
AFC 12.3 ± 4.1 13.4 ± 4.4 < 0.001
Basic FSH (IU/L) 6.21 ± 1.72 6.38 ± 1.89 0.144
Infertility type    0.837
 Primary 465 (60.9%) 189 (60.2%)  
 Secondary 299 (39.1%) 125 (39.8%)  
Primary cause of infertility    0.174
 Tubal 456 (76.0%) 182 (82.4%)  
 Endometriosis 43 (7.2%) 16 (7.2%)  
 PCOS 77 (12.8%) 15 (6.8%)  
 Male 7 (1.2%) 3 (1.4%)  
 Other causes 17 (2.8%) 5 (2.3%)  
Previous number of IVF/ICSI cycles    0.059
 0 659 (86.3%) 284 (90.5%)  
 1 105 (13.7%) 30 (9.6%)  
  1. BMI body mass index; AMH anti–Müllerian hormone; AFC antral follicle count; FSH follicle-stimulating hormone; PCOS polycystic ovary syndrome; IVF in vitro fertilization; ICSI intracytoplasmic sperm injection