Table 4.

Odds ratio (and 95% CI) of associations between oocyte characteristics and oocyte behavior during ICSI.

	High resistance	No resistance	Sudden ooplasm aspiration	Difficult ooplasm aspiration
Large oocyte size	NS	10.40 (3.27–33.10)	NS	NS
Dark ooplasm	NS	NS	14.75 (7.72–29.89)	16.03 (7.45–34.48)
Granular ooplasm	NS	NS	4.21 (2.68–6.59)	8.57 (5.50–13.34)
Vacuolated ooplasm	NS	7.59 (3.12–18.43)	16.34 (7.52–35.48)	12.24 (5.11–29.19)
Lack of ooplasm translucency	3.13 (1.77–5.33)	NS	NS	NS
Granular PVS	10.53 (6.27–26.60)	NS	NS	3.40 (2.07–5.57)
Large PVS	NS	NS	29.85 (7.57–117.637)	16.07 (3.39–76.05)
Thick ZP	13.39 (6.81–29.02)	NS	3.62 (1.85–7.07)	NS
Thin ZP	NS	111.13 (10.84–1139.12)	12.48 (3.53–44.12)	NS
Uneven ZP	NS	331.25 (30.89–3551.65)	NS	NS
Dark ZP	83.48 (30.68–227.09)	23.51 (7.73–71.48)	NS	NS
Granular ZP	10.27 (4.81–21.91)	12.10 (3.63–40.31)	NS	NS
Large PB	NS	NS	NS	53.18 (5.86–481.97)
Granular PB	NS	33.33(9.36–118.71)	NS	NS

NS not significant.