Table 1. Demographic characteristics (subjects given least one dose of the study drugs).
  r-hFSH-BS n=49 Original α r-hFSH n=44
Age (y) - Mean (SD); Range 32.9 (3.0); 25-37 32.7 (3.2); 23-37
Weight (kg)- Mean (SD); Range 60.7 (8.2); 48.0-78.3 62.4 (10.5); 41.0-85.0
BMI (kg/m2)- Mean (SD); Range 23.0 (3.1); 18.1-30.4 23.9 (3.2);18.1-31.8
Main cause of infertility- % (n)
    Unexplained
    Tubal
    Male
    Other
36.8% (18)
18.4% (9)
40.8% (20)
4.0% (2)
25% (11)
9.1% (4)
54.5% (24)
11.4% (5)
Previous IVF cycles - % (n)
    None
    One-two
63.3% (31)
36.7% (18)
77.3% (34)
22.7% (10)
Duration of infertility (months) 51.2 (36.3) 12-216 47.7 (29.9) 0-132(2)

BMI=body mass index; FSH=follicle-stimulating hormone; %= percentage; n=number; SD=Standard Deviation.