TABLE 2.

Embryo quality and morphokinetic scores in cytoplasmic string containing (CS+) and not containing (CS-) groups.

	CS+	CS-	p-value
Number of embryos	169 (81.2%)	39 (18.8%)
Good quality 8-cell stage embryo	58 (34.3%)	10 (25.6%)	0.30
Good quality blastocyst (AA, AB, BA, and BB)	88 (52.1%)	8 (20.5%)	0.02
KIDScore a	6.1 ± 2.1	4.7 ± 2.1	<0.01
iDAScore a	8.0 ± 1.9	6.8 ± 2.3	<0.01
Implantation rate	25/63 ET (39.7%)	1/7 ET (14.3%)	0.19

^a Values are mean ± SD.

CS+: blastocyst with cytoplasmic strings.

CS-: blastocyst without cytoplasmic strings.

KIDScore: Known Implantation Data Score.

iDAScore: Intelligent Data Analysis Score.