. 2013 Apr 7;30(5):683–690. doi: 10.1007/s10815-013-9983-3

Table 1.

Relationship between early compaction and the characteristics of the IVF attempts. Only the FSH units administered, the number of oocytes retrieved and the embryos obtained differed significantly between attempts with or without compacted embryos

Attempts		Without any compacted embryo in the cohort	With at least one compacted embryo in the cohort	p
Type of ART	cIVF (n = 131)	74 % (n = 97)	26 % (n = 34)	0.132 χ²test
Type of ART	ICSI (n = 186)	66 % (n = 123)	34 % (n = 63)	0.132 χ²test
Protocol	Agonist (n = 181)	71 % (n = 129)	29 % (n = 52)	0.405 χ²test
Protocol	Antagonist (n = 136)	67 % (n = 91)	33 % (n = 45)	0.405 χ²test
Mean age of patients (years)		31.56	31.52	0.762 Mann-Whitney U-test
Mean number of FSH units administered		2029.60	1793.81	0.008^aMann-Whitney U-test
Mean estradiol assay at release		1828.20	1676.77	0.375 Mann-Whitney U-test
Mean number of oocytes retrieved		8.94	11.70	<0.001^aMann-Whitney U-test
Mean number of embryos		5.13	7.40	<0.001^aMann-Whitney U-test

^aSignificant