Table 1 Patient characteristics.
Variable | Low blastocyst rate | Average blastocyst rate | High blastocyst rate | p-val* |
|---|---|---|---|---|
Sample size (n) | 15 | 18 | 14 | – |
Sperm provider age (y) | 43 (34–57) | 42 (34–57) | 41 (22–54) | 0.7778 |
Ejaculate volume (mL) | 2.7 (0.5–5) | 4.0 (1.0–7.2) | 3.5 (1.2–5.5) | 0.0522 |
Sperm concentration (millions/mL) | 94 (21–253) | 85 (21.6–325) | 56 (13.6–156) | 0.2962 |
Sperm motility (%)** | 48 (32–65) | 53 (12–81) | 51 (16–72) | 0.6548 |
Sperm morphology (%)*** | 44 (11–77.5) | 41 (15–72.5) | 48 (10–67.5) | 0.8762 |
Oocyte donor age (years) | 26 (21–34) | 27 (21–35) | 26 (21–30) | 0.7115 |
No. oocytes retrieved | 20 (6–35) | 21 (9–36) | 20 (3–62) | 0.7458 |
No. mature oocytes retrieved | 13 (3–22) | 16 (5–30) | 15 (3–44) | 0.3371 |
No. 2PN zygotes | 8 (2–17) | 11 (3–18) | 12 (3–40) | 0.1650 |
No. blastocysts | 2 (0–3) | 6 (2–12) | 10 (3–28) | 0.0003 |
Blastocyst rate (%) | 22 (0–38) | 57 (40–67) | 83 (70–100) | < 0.0001 |
