Outcome measures | No. Of studies | Statistical mode | Heterogeneity (I2,%) | Chi2 | degree of freedom | P value | Effect size | 95% CI | Z | P value |
---|---|---|---|---|---|---|---|---|---|---|
Oocyte maturation rate | 5 | Random | 91.1 | 44.80 | 4 | 0.000 | OR | 0.69 (0.45–1.06) | 1.67 | 0.094 |
Fertilization rate | 8 | Random | 44.4 | 12.59 | 7 | 0.083 | OR | 0.88 (0.77—1.0) | 2.00 | 0.045 |
High-quality embryo rate | 6 | Random | 5.47 | 8.6 | 5 | 0.361 | OR | 1.05 (0.95–1.17) | 1 | 0.316 |
Clinical pregnancy rate | 9 | Random | 35.4 | 12.39 | 8 | 0.135 | OR | 0.66 (0.45–0.95) | 2.21 | 0.027 |
Miscarriage rate | 3 | Random | 0 | 0.32 | 2 | 0.851 | OR | 1.92 (0.66—5.60) | 1.20 | 0.232 |
Live birth rate | 2 | Random | 0 | 0.03 | 1 | 0.856 | OR | 0.50(0.24–1.04) | 1.86 | 0.063 |