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. 2022 Apr 25;17(4):e0267241. doi: 10.1371/journal.pone.0267241

Table 1. Summary embryo development and ploidy.

IVF ICSI p value
n (%) mean ± SD n (%) mean ± SD
Number of COCs assigned 283 9.4 ± 4.0 285 9.5 ± 4.1 0.645
Number of mature oocytes 244 (86.2) 8.1 ± 3.7 235 (82.5) 7.8 ± 3.8 0.349
Normal fertilization 183 (64.7) 6.1 ± 3.8 190 (66.7) 6.3 ± 3.5 0.609
Blastocyst biopsy
Day 5 80 (43.7) 2.7 ± 2.7 79 (41.6) 2.6 ± 2.1 0.941
Day 6 38 (20.8) 1.3 ± 0.8 36 (18.9) 1.2 ± 1.2 0.758
Day 7 2 (1.1) 0.07 ± 0.3 1 (0.5) 0.03 ± 0.2 NA
Total 120 (65.6) 4.0 ± 2.8 116 (61.1) 3.9 ± 2.5 0.774
Euploid blastocysts
Day 5 43 (53.8) 1.4 ± 1.7 44 (55.7) 1.5 ± 1.4 0.923
Day 6 16 (42.1) 0.53 ± 0.7 12 (33.3) 0.4 ± 0.6 0.425
Day 7 0 (0.0) 0.0 ± 0.0 0 (0.0) 0.0 ± 0.0 NA
Total 59 (49.2) 2.0 ± 1.8 56 (48.3) 1.9 ± 1.7 0.808

Summary of embryological outcomes as presented originally in De Munck et al., 2020. COC: cumulus oocyte complex, IVF: in vitro fertilization, ICSI: intracytoplasmic sperm injection, NA: not applicable, n: number, %: percentage, SD: standard deviation.