Table 4. Sperm DNA fragmentation index (DFI) after thawing and 24 h of culture. Equal letters are used to identify statistically significant differences with paired-sample t-tests.
DFI (%) DFI 24h (%)
Fresh semen 11.6±9.4*, ND
Thawed EPS 25.1±16* 30.7±16.4
Thawed ABS 24.9±18.1 27.6±15.9

,: p<0.001.