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Table 6 Response variables for the entire population and subgroup having good/fair quality embryos transferred on day 3

From: In high responding patients undergoing an initial IVF cycle, elevated estradiol on the day of hCG has no effect on live birth rate

  Entire population Good/fair embryos only
Variables Non-LB LB Non-LB LB
Number 138 (48.3%) 148 (51.7%)* 96 (40.9%) 139 (59.1%)**
Patient age 33.0 ± 4.2a 31.4 ± 4.0a 32.9 ± 3.9d 31.5 ± 3.9d
FSH dose (IU) 3574 ± 1499b 3158 ± 1397b 3423 ± 1490 3124 ± 1381
Estradiol on day of hCG pg/ml 2451 ± 1082 2634 ± 1061 2588 ± 1115 2636 ± 1080
BMI 26.5 ± 6.6 27.1 ± 6.7 27.1 ± 6.4 27.2 ± 6.7
Number retrieved oocytes 15.9 ± 8.2 16.0 ± 6.9 17.2 ± 8.6 16.1 ± 6.8
MII eggs 11.1 ± 6.0 12.1 ± 5.7 12.0 ± 6.2 12.3 ± 5.6
Number of 2PN 6.9 ± 4.1c 8.1 ± 3.9c 7.8 ± 4.1 8.1 ± 3.8
Number of embryos transferred 2.19 ± 0.51 2.11 ± 0.29 2.17 ± 0.43 2.11 ± 0.32
AEQS 1.91 ± 0.68a 1.39 ± 0.49a 1.54 ± 0.42a 1.32 ± 0.40a
  1. All values are Mean ± 1SD.
  2. Differences within row comparing the same response variable by pregnancy status (NLB or LB) for the entire population or patients having only good or fair quality embryos transferred having the same superscript are different; ap <0.001; bp <0.020; cp <0.010, dp <0.007.
  3. *Chi Square comparison for difference between Day 3 and Day 5 in the total population for Live Birth was p <0.02.
  4. **Chi Square comparison for difference between Day 3 and Day 5 in population with only good or fair quality embryos used for transfer for Live Birth was NS.