Journal of Andrology Proceedings of the Fifth International Conference on the Epididymis
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Studies of the effect of the DNA fragmentation index (DFI) as measured by the sperm chromatin assay on the clinical pregnancy rate for in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI)
  Study   n   High DFI Predicts Low Pregnancy Rate in IVF/ICSI?   DFI Cutoff (%)   Low DFI, Pregnant/Total   High DFI, Pregnant/Total

  Larson et al, 2000   21   Yes   27   7/12   0/9
  Larson-Cook et al, 2003   89   Yes   27   28/79   0/10
  Saleh et al, 2003*   14*   Yes   27   N/A*   N/A*
  Bungum et al, 2004{dagger}   175   No{dagger}   27   47/140   13/35
  Gandini et al, 2004   34   No   27   7/24   5/10
  Virro et al, 2004   249   Yes   30   84/178   20/71
  Chohan et al, 2004{ddagger}   52   Trend   30   25/43   4/9
  Gardner et al, 2004*{ddagger}§   128*   No   30   35%*§   37%*§
  Adams et al, 2004{ddagger}   50   Yes   30   30/41   2/9
  Nicopoullos et al, 2005*{ddagger}   37*   Trend   15   50%*   26%*
  Payne et al, 2005   98   No   27   22/79   9/19
  Check et al, 2005||   106   No||   30   26/77   8/29
  Zini et al, 2005   60   No   30   25/49   6/11
  Total   929       301/722 (42%)   67/212 (31%)

  *Could not obtain actual patient numbers to include in total
  {dagger}A statistically nonsignificant trend toward low pregnancy rates in high-DFI patients was seen in the conventional IVF group, but not ICSI subgroup. Statistically significant difference between DFI groups seen in IUI patients
  {ddagger}Conference abstract only
  §Numbers shown are for implantation rate
  ||Numbers reported are for clinical pregnancy. There was a statistically nonsignificant trend for lower ongoing pregnancy in the high-DFI group





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