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Table 5 Comparison of transferred euploid blastocysts at each grade between time-lapse system (Group A) and conventional incubator (Group B)

From: Selection of competent blastocysts for transfer by combining time-lapse monitoring and array CGH testing for patients undergoing preimplantation genetic screening: a prospective study with sibling oocytes

Parameters Group A Group B pvalue
Total transferred blastocysts 71 59  
Transferred blastocysts at Grade 3 4 (5.6%) 5 (8.5%) 0.731a
Transferred blastocysts at Grade 4 26 (36.6%) 27 (45.7%) 0.381b
Transferred blastocysts at Grade 5 38 (53.5%) 26 (44.1%) 0.369b
Transferred blastocysts at Grade 6 3 (4.2%) 1 (1.7%) 0.625a
  1. aby Fisher’s exact test, bby Chi-square analysis.