TABLE 3.

Comparison of clinical outcomes of different morphological groups.

Morphological parameter	Positive hCG (%)	P1	OR	95% CI	P2	Clinical pregnancy rate (%)	P1	OR	95% CI	P2	Live birth (%)	P1	OR	95% CI	P2
Blastocyst
Good	59.0% (23/39)	0.034	2.309	1.067–4.996	0.72	56.4% (22/39)	0.025	2.416	1.115–5.232	0.54	48.7% (19/39)	0.017	2.602	1.182–5.727	0.44
Medium	54.6% (77/141)	0.018	1.932	1.119–3.338	ref	49.6% (70/141)	0.031	1.840	1.059–3.199	ref	40.4% (57/141)	0.038	1.859	1.036–3.333	Ref
Poor	38.4% (33/86)	Ref				34.9% (30/86)	Ref				26.7% (23/86)	Ref
ICM grade
A	58.8% (20/34)	0.054	2.619	0.983–6.981	0.49	55.9% (19/34)	0.053	2.648	0.987–7.108	0.39	47.1% (16/34)	0.024	3.429	1.176–9.994	0.44
B	51.0% (101/198)	0.094	1.909	0.896–4.068	Ref	46.5% (92/198)	0.130	1.815	0.840–3.923	Ref	38.4% (76/198)	0.051	2.403	0.997–5.789	Ref
C	35.3% (12/34)	Ref				32.4% (11/34)	Ref				20.6% (7/34)	Ref
TE grade
A	52.9% (9/17)	0.307	1.761	0.594–5.220	0.81	52.9% (9/17)	0.202	2.036	0.684–6.063	0.90	41.2% (7/17)	0.337	1.729	0.565–5.291	0.88
B	53.2% (101/190)	0.059	1.776	0.979–3.223	Ref	48.4% (92/190)	0.086	1.699	0.928–3.108	Ref	39.5% (75/190)	0.140	1.611	0.855–3.038	Ref
C	39.0% (23/59)	Ref				35.6% (21/59)	Ref				28.8% (17/59)	Ref
Expansion degree
6	25% (4/16)	0.047	0.308	0.097–0.984	0.11	25% (4/16)	0.090	0.367	0.115–1.170	0.18	25% (4/16)	0.260	0.513	0.16–1.639	0.94
5	47.4% (9/19)	0.701	0.832	0.326–2.124	Ref	42.1% (8/19)	0.644	0.800	0.31–2.062	Ref	21.1% (4/19)	0.124	0.410	0.132–1.275	Ref
4 + 3	51.9% (120/231)	Ref	—	—	—	47.6% (110/231)	Ref	—	—	—	39.4% (91/231)	Ref	—	—	—

Note: OR, odds ratio; CI, confidence interval; TE, trophectoderm; ICM, inner cell mass; vs., versus; Ref, reference.