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. 2013 Apr;20(4):456–462. doi: 10.1177/1933719112459217

Table 2.

Comparison of Noninvasive Analysis of Oocytes With the First Polar Body Extruded Obtained From Stimulated Cycles of Infertile Patients With and Without Endometriosis (Tubal and/or Male Infertility Factors).a

Variables Tubal and/or Male Infertility Factors Endometriosis
I to II III to IV
Mean (SD) Mean (SD) Mean (SD)
Nuclear maturation
 Telophase Ib 0.2 (0.5) 0.1 (0.5) 0.2 (0.4)
 Metaphase IIc 4.1 (2.1) 4.7 (2.4) 3.5 (2.3)
Spindle visualization
 Nonvisibleb 0.5 (0.9) 0.5 (1.0) 0.4 (0.8)
 Visiblec 3.6 (2.2) 4.2 (2.5) 3.1 (2.0)
Spindle localization
 0° to 30°c 3.1 (2.0) 3.4 (2.0) 2.5 (1.6)
 30° to 60°b 0.4 (0.7) 0.7 (1.0) 0.5 (0.7)
 60° to 90°b 0.1 (0.5) 0.1 (0.4) 0.1 (0.3)

a Data presented as mean (standard deviation [SD]). The level of significance was set at 5% (P < .05). There were no significant differences (P ≥ .05) among groups regarding any of the variables analyzed.

b Data analyzed by zero-inflated Poisson.

c Data analyzed by a Poisson Model.