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Table 2 Outcome summary of metaanalysis of CSET vs. BSET by Glujovsky et al. [11]*

From: Is it time for a paradigm shift in understanding embryo selection?

Study finding

OR

95% CI

12 RCTs (1550 women) significantly higher live births favoring BSET of 38.8% vs. 31.0%

1.40

1.13 to 1.74

Clinical pregnancy rates, however, did not differ (41.6% vs. 38.6%)

1.74

0.99 to 1.32

No difference in miscarriage rates

1.18

0.86 to 1.60

4 RCTs (266 women) significantly improved cumulative pregnancy rates favoring CSET (56.5% vs. 46.3%)

1.58

1.11 to 2.25

11 RCTs (1729 women) rates of embryo freezing significantly higher with CSET

2.28

2.35 to 3.51

16 RCTs (2495 women) absence of at least 1 embryo for transfer was significantly higher with BSET (8.9% vs. 3.34%)**

0.35

0.24 to 0.51

  1. *23/50 identified trials met randomization (RCT) criteria, 5 more than in Blake study [10] and Table  1.
  2. **Accounts at least partially for higher cumulative pregnancy rate with CSET.