Table 2.

Laboratory outcomes of ICSI

Group	Fertilization rate (%)	Cleavage rate (%)	High-quality embryo rate (%)
1	73.6±20.2	97.7±11.1	70.3±27.7†
2	72.8±21.0	98.4±8.2	65.2±30.6
3	72.6±21.3	98.4±10.9	65.7±29.3
4	72.1±22.1	98.0±10.9	67.4±28.0
5	67.7±24.5*	98.3±9.1	62.0±30.4
6	65.9±21.5Δ	96.9±11.3	62.7±31.7
7	74.8±17.4	99.0±5.0	63.1±28.2

All values are expressed as mean±SD

^* P<0.05: significantly lower than Groups 1, 3, and 7

^Δ P<0.05: significantly lower than Groups 1, 2, 3, 4, and 7)

^† P<0.05: significantly higher than Groups 3, 5, 6, and 7 (rank transform method)