Table 6.
IVF | ICSI | p value | |
---|---|---|---|
n = 160 (14%) | n = 972 (86%) | ||
Initial dose (IU) | |||
Median (IQR) | 200 (150–225) | 225 (150–300) | < 0.001 |
Stimulation days | |||
Median (IQR) | 10 (9–11) | 10 (9–11) | 0.8 |
Number of oocytes | |||
Median IQR | 11 (10–14) | 12 (11–13) | 0.3 |
Fertilization rates (%) | |||
Median IQR | 63.6 (48–78.6) | 60 (45.5–72.7) | 0.13 |
Embryo utilization rates (%) | |||
Median IQR | 50 (33.3–72.7) | 50 (33.3–66.6) | 0.4 |
Day of embryo transfer in the fresh cycle, n (%)~ | |||
Day 2 | 6 (4) | 9 (1) | 0.06 |
Days 3 and 4 | 87 (58) | 543 (63.7) | |
Days 5 and 6 | 57 (38) | 301 (35.3) | |
Number of embryos transferred in the fresh cycle~ | |||
Median (IQR) | 1.5 (1–2) | 2 (1–2) | < 0.001 |
Fresh LBR | |||
n (%) | 56 (35) | 331 (34) | 0.8 |
Cumulative LBR | |||
n (%) | 71 (44.4) | 475 (48.9) | 0.3 |
Two-sample Mann–Whitney test or Person χ2 test or Fisher’s exact test (unadjusted)
~For patients having an embryo transfer (n = 1003)