Table 2 Comparison of IVF-ICSI outcomes between the two groups

N = 337

N = 397

Number of cycles without oocytes retrieved

22/337 (6.53%)

18/397 (4.53%)

0.236^b

734

No. of retrieved oocytes

2.39 ± 1.90

3.60 ± 2.73

 < 0.001^a

734

Fertilization method

0.011^b

691

 IVF

247 (78.9%)

266 (70.4%)

 ICSI

66 (21.1%)

112 (29.6%)

No. of fertilized oocytes

1.94 ± 1.46

2.55 ± 1.82

 < 0.001^a

694

No. of 2PN embryos

1.52 ± 1.34

2.02 ± 1.60

 < 0.001^a

694

Fertilization rate (%)

 IVF

70.8 ± 37.7

73.9 ± 34.8

0.340^a

513

 ICSI

73.2 ± 42.2

78.4 ± 34.8

0.401^a

178

Cleavage rate of 2PN embryos

70.0 ± 39.7

74.8 ± 35.5

0.103^a

683

No. of transferable embryos

0.95 ± 0.98

1.22 ± 1.13

0.001^a

694

Embryo developmental stage at transfer

0.902^c

305

 D3

123 (96.9%)

174 (97.8%)

 D5

4 (3.1%)

4 (2.2%)