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. 2024 Sep 5;15:7747. doi: 10.1038/s41467-024-52008-y

Fig. 2. Kaplan–Meier graph of time to cumulative live births by randomized group (intention-to-treat population).

Fig. 2

HR, hazard ratio. Shaded areas indicate 95% confidence intervals (CI). Median time to live birth in the blastocyst group was 344 days (95% CI, 334–353 days); median time to live birth in the cleavage-stage group was 373 days (95% CI, 353–416 days). Hazard ratio and the associated 95% CIs were estimated by using a Cox proportional hazards model. Source data are provided as a Source Data file.