Correlation between controlled ovarian stimulation protocols and euploid blastocyst rate in pre-implantation genetic testing for aneuploidy cycles

Table 3 Correlation between blastocyst euploidy rate per biopsied blastocyst and COS protocols

Model	Unstandardized coefficients	Standardized coefficients	t	Sig.	Adjusted R²
Model	B	Beta	t	Sig.	Adjusted R²
Constant	1.42		5.76	0.000	0.311
Protocol_2	0.330	0.098	1.818	0.174
Protocol_3	0.652	0.214	4.251	0.001
Female age	− 0.105	− 0.356	− 5.308	0.000
Female BMI	0.034	0.061	1.413	0.399
Male age	− 0.001	− 0.007	− 0.105	0.727
bFSH	− 0.054	− 0.090	− 2.020	0.114
AMH	− 0.008	− 0.012	− 0.227	0.015
AFC	− 0.037	− 0.140	− 2.639	0.547
E2 on trigger day	0.000	0.279	5.079	0.500
LH on trigger day	− 0.021	− 0.031	− 0.693	0.475
Gn dosage	0.000	− 0.058	− 0.786	0.775
Gn days	0.056	0.075	1.028	0.948

The COS protocol was set as a dummy variable, and the PPOS protocol was selected as the reference group
Protocol_2 refers to the GnRH-a protocol, and Protocol _3 refers to the GnRH-ant protocol

ISSN: 1477-7827