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Table 3 Inter-observer agreement indicated by the median (range) value of the kappa coefficient

From: Intra- and inter-observer analysis in the morphological assessment of early-stage embryos

Parameters

Median kappa coefficient (range)

Parameters day 1

 

Position of the pronuclei

0.48 (0.14-0.73)

Size of the pronuclei

0.29 (0.07-0.66)

Cytoplasmic halo

0.31 (0.08-0.66)

Parameters day 2

 

Number of blastomeres

0.88 (0.77-0.94)

Degree of fragmentation

0.52 (0.37-0.69)

Size of blastomeres

0.54 (0.34-0.71)

Pattern of fragmentation

0.49 (0.34-0.76)

Size of fragments

0.52 (0.30-0.83)

Multinucleation

0.51 (0.13-0.71)

Orientation of the cleavage axes

0.79 (0.62-0.93)

Parameters day 3

 

Number of blastomeres

0.84 (0.70-0.94)

Degree of fragmentation

0.56 (0.21-0.74)

Size of blastomeres

0.50 (0.29-0.63)

Pattern of fragmentation

0.48 (0.33-0.69)

Size of fragments

0.51 (0.36-0.69)