Table 2.

Annotated morphokinetic parameters of all embryos that made it to the blastocyst stage in the study (ICSI-AOA) and control group (ICSI)

	Study group		Control group		Paired differences (95% CI)			P-value
Parameters	Mean	Range	Mean	Range	Mean	Lower bound	Upper bound
t2PB	3.3	0.8–6.6	3.5	1.0–11.2	0.30	− 0.13	0.77	0.30
tPNa	8.2	4.8–14.1	8.9	4.8–14.0	0.74	0.28	1.25	0.02
tPNf	24.2	18.4–31.2	24.4	19.1–31.5	0.20	− 0.56	0.95	0.54
t2	27.1	21.0–34.2	27.6	20.7–38.2	0.50	− 0.41	1.44	0.32
t3	37.7	25.2–47.0	38.0	25.1–44.6	0.14	− 1.05	1.29	0.67
t4	39.3	31.7–50.2	39.9	31.9–51.3	0.50	− 0.52	1.53	0.31
t5	50.9	38.9–62.7	51.4	38.9–65.3	0.24	− 1.32	1.89	0.28
t6	53.0	43.5–66.3	54.0	41.8–72.5	0.92	− 0.62	2.44	0.29
t7	57.0	44.4–75.0	57.5	44.5–80.9	0.68	− 1.24	2.54	0.47
t8	63.9	48.0–84.7	65.5	47.5–90.1	0.67	− 0.45	1.28	0.12
tSC	83.7	65.1–102.8	83.7	58.1–103.1	1.7	− 0.42	3.89	0.53
tSB	99.3	71.9–115.6	99.3	75.4–116.6	0.5	− 1.96	2.91	0.58
tB	108.2	91.8–129.1	107.6	92.8–125.6	1.9	1.86	− 0.50	0.12

95% confidence intervals (CIs) were calculated by bootstrapping (2000 repeats), P-values by paired sample Wilcoxon sign rank test or t-test for paired samples