Table 2. Summary of the results: when the mean number of oocytes collected was >12 and <21
Outcome
measured		 No.
of patients		 Freeze/All-ET group Fresh-ET group Odds ratio 95% CI Analysis
model		 Heterogeneity
I2
Clinical
pregnancy		 1767 876 891 1.19 0.98-1.43 Fixed 33.2%
Ongoing
pregnancy		 2728 1358 1370 1.24 1.06-1.44 Fixed 46.5%
Live birth 2469 1228 1241 1.39 0.99-1.95 Random 64.1%
Miscarriage 1010 519 491 0.68 0.46-1.00 Fixed 0%