Table 3. Odds ratio analysis for the type of culture system (conventional - 2D or with collagen membrane - 3D) and the presence or absence of cells from the cumulus on the oocyte rate in metaphase II after in vitro maturation.
Treatment -
Comparisons
Metaphasis II (%) Odds ratio (95% I.C) p - value
CC-2D
CC-3D
59.0 (85/144)
60.3 (76/126)
0.9 (0.5 - 1.5) 0.9274
CC-2D
SC-2D
59.0 (85/144)
44.5 (65/146)
1.8 (1.1 - 2.8) 0.0186
CC-2D
SC-3D
59.0 (85/144)
47.1 (65/138)
1.6 (1.0 - 2.5) 0.0592
CC-3D
SC-2D
60.3 (76/126)
44.5 (65/146)
1.8 (1.1 - 3.0) 0.0132
CC-3D
SC-3D
60.3 (76/126)
47.1 (65/138)
1.7 (1.0 - 2.7) 0.0427

Oocytes with cumulus (CC) or without cumulus (SC) submitted to conventional MIV (2D) or with collagen matrix (3D). I.C: 95% confidence interval.