Laser-assisted hatching in lower grade cleavage stage embryos improves blastocyst formation: results from a retrospective study

Table 6 The related factors influence the outcome of blastocyst transfer

	B	S.E	Sig	OR	95% CI
	B	S.E	Sig	OR	Lower	Upper
Female age	-0.096	0.054	0.079	0.909	0.817	1.011
BMI	-0.075	0.073	0.308	0.928	0.804	1.071
History of pregnancy	-0.172	0.420	0.682	0.842	0.370	1.916
Insemination protocol	-0.262	0.435	0.547	0.770	0.328	1.804
Blastocyst age	-0.913	0.528	0.084	0.401	0.143	1.129
No. of blastocyst	0.281	0.397	0.478	1.325	0.609	2.884
No. of good grade blastocyst	1.086	0.338	0.001	2.961	1.528	5.739
LAH performed	-0.415	0.409	0.310	0.660	0.296	1.472

LAH Laser assisted hatching, BMI Body mass index, B Regression coefficient, S.E. Standard error, Wals Wald statistics, Sig. Statistical significance, OR Odds ratio

ISSN: 1757-2215