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Table 1 Sample distribution and comparisons between women <35 and35 years of age

From: Predicting live birth chances for women with multiple consecutive failing IVF cycles: a simple and accurate prediction for routine medical practice

Cause of infertility < 35 years(N=52) ≥ 35 years(N=99) Total (N=151)
· Male infertility 30 57.7% 35 35.4% 65 43.0%
· Endometriosis 1 1.9% 6 6.1% 7 4.6%
· Unexplained 5 9.6% 14 14.1% 19 1.6%
· Tubal abnormalities 14 26.9% 32 32.3% 46 30.5%
· Viral risk 2 3.8% 12 12.1% 14 9.3%
Mean baseline FSH (IU/L) 6.50 ± 2.79 7.11 ± 2.57 6.90 ± 2.65
Mean ± SD number of oocytes 7.91 ± 3.40 6.79 ± 2.96 7.17 ± 3.15
Mean ± SD total number of embryos 5.24 ± 2.57 4.76 ± 2.13 4.92 ± 2.30
Mean ± SD number of good-quality embryos 1.08 ± 0.77 0.84 ± 0.60 0.92 ± 0.67
Women with at least one gestational sac (%) 37.5%   23.3%   28.2%  
Women with at least one foetal heart beat (%) 37.0%   22.9%   27.8%  
LB rate 36.5%   22.2%   27.2%  
  1. Values are given as numbers and percentages (%) or the mean ± SD. FSH: follicle-stimulating hormone (iu/L). LB: live birth.