Parameters | Statisticsa | Normal weight | Overweight | Obese | P-value |
---|---|---|---|---|---|
18.5 ≤ BMI ≤ 24.9 | 25.0 ≤ BMI ≤ 29.9 | BMI ≥ 30.0 | |||
Patient, n | / | 84 | 37 | 17 | Â |
Body mass index, kg/mb | K | 21.8a (20.6–23.3) | 26.5b (25.7–28.4) | 32.6c (31.3–34.7) |  < 0.001 |
Age, year | K | 32.0 (30.0–36.8) | 32.0 (29.0–35.0) | 31.0 (28.0–34.5) | 0.343 |
Total doses of urinary gonadotropins, IU | K | 2252 (1819–3094) | 2626 (1950–3601) | 3019 (2072–4538) | 0.124 |
Total doses of recombinant gonadotropins, IU | K | 2363 (1351–3376) | 1575 (1369–2104) | 2288 (1425–2441) | 0.414 |
Oocytes retrieved, n | K | 14.0 (10.3–18.0) | 13.0 (10.0–17.0) | 13.0 (8.50–17.0) | 0.610 |
Oocytes injected + oocytes inseminated, n | K | 12.0 (9.00–15.0) | 11.0 (9.00–14.0) | 10.0 (7.50–14.0) | 0.394 |
Two-pronuclei oocytes (2PN)b, n | K | 7.00 (5.00–10.0) | 8.00 (6.00–9.00) | 7.00 (4.50–10.0) | 0.875 |
2PN / (oocytes injected + oocytes inseminated), % | K | 71.4 (50.0–80.0) | 77.4 (64.6–87.5) | 66.7 (58.6–83.3) | 0.218 |
Embryos with ≥ 6 cells on day 3, n | K | 5.00 (3.00–8.00) | 6.00 (5.00–8.50) | 5.00 (4.00–9.00) | 0.332 |
Embryos with ≥ 6 cells on day 3 / 2PN, % | K | 80.0 (60.0–93.3) | 84.6 (71.4–100) | 90.0 (69.0–100) | 0.079 |
Embryos with 8 cells on day 3, n | K | 3.00 (1.00–4.00) | 4.00 (2.00–5.00) | 4.00 (2.00–6.00) | 0.093 |
Embryos with 8 cells on day 3 / 2PN, % | A | 37.2a (32.2–42.3) | 44.7a (36.6–52.9) | 59.5b (48.6–70.5) | 0.002 |
Embryo development between days 3 and 5 (ED3-5) | K | 4.00 (2.00–6.00) | 4.00 (2.00–6.00) | 4.00 (2.50–6.50) | 0.794 |
ED3-5 / 2PN, % | A | 54.7 (48.5–60.8) | 59.5 (49.5–69.5) | 65.4 (53.0–77.7) | 0.309 |
Expanded blastocysts on day 5 (EB5), n | K | 1.00 (0.00–3.00) | 3.00 (0.00–5.00) | 2.00 (0.50–4.50) | 0.520 |
EB5 / 2PN, % | K | 20.0 (0.00–45.5) | 33.3 (0.00–56.3) | 30.0 (7.14–50.0) | 0.577 |
Embryo utilization rate (EUR)c, % | K | 40.0 (22.2–53.3) | 43.8 (14.3–69.0) | 50.0 (31.0–70.8) | 0.194 |
Cumulative live birth rated, % | Fisher's exact | 50.6 | 45.9 | 47.1 | 0.873 |