Table 3 Summary of results of meta-analyses of comparison between sequential transfer and blastocyst embryo transfer
From: Sequential cleavage and blastocyst embryo transfer and IVF outcomes: a systematic review
Outcome indicator | Studies | Samples | Heterogeneity | Effect model | RR(95%CI) | P value |
|---|---|---|---|---|---|---|
Clinical pregnancy | 4 | 513 | P=0.11I2=51% | Random | 1.29 (0.90-1.85) | 0.17 |
Embryo implantation | 2 | 146 | P=0.37I2=0% | Fixed | 0.86 (0.64-1.17) | 0.34 |
Clinical miscarriage | 4 | 242 | P=0.99I2=0% | Fixed | 0.99 (0.68-1.44) | 0.95 |
Multiple pregnancy | 3 | 155 | P=0.18I2=42% | Random | 0.85 (0.47–1.52) | 0.58 |