Criteria for comparison | Groups (n) | Global methylation fraction (mean ± SD) | P value | |
---|---|---|---|---|
ANOVA | Tukey’s post hoc test (vs controls) | |||
 | Controls (77) | 0.4827 ± 0.0723 | – | – |
Total ART | ART (182) | 0.5182 ± 0.0670 | – | 0.0002 a |
Mode of egg fertilization | ICSI (54) | 0.5224 ± 0.0533 | 0.0009 | < 0.01 |
Non ICSI (127) | 0.5158 ± 0.0720 | < 0.01 | ||
Oxygen tension | 20%(123) | 0.5176 ± 0.0689 | 0.0009 | < 0.01 |
5%(59) | 0.5195 ± 0.0634 | < 0.01 | ||
Type of embryo transfer | Fresh (128) | 0.5109 ± 0.0684 | < 0.0001 | < 0.05 |
Frozen (54) | 0.5357 ± 0.0608 | < 0.0001 | ||
Embryo transfer day | Day 3 (110) | 0.5212 ± 0.0689 | 0.0007 | < 0.001 |
Day 5 (72) | 0.5138 ± 0.0643 | < 0.05 |