Table 4 Comparison of clinical outcomes between different subgroups.

From: Correlation analysis of sperm DNA fragmentation index with semen parameters and the effect of sperm DFI on outcomes of ART

Parameter

IVF-I

IVF-II

IVF-III

χ2

ICSI-I

ICSI-II

ICSI-III

χ2

Number of transplant cycles

23

21

12

12

15

18

Number of retrieved oocytes

381

402

106

160

161

246

Number of MLL oocytes

263

281

88

130

125

212

Normal number of fertilized oocytes

241

238

71

101

102

147

Fertilized oocytes

319

326

85

112

115

179

Fertilization cleavage, embryo number

305

320

81

109

112

176

Fertilization rate (%)

319/381 (83.72)

326/402 (81.09)

85/106 (80.20)

3.256

112/160 (70.00)

115/161 (71.42)

179/246 (72.76)

5.622

Optimal rate of embryo (%)

120/241 (49.79)

112/238 (47.06)

31/71 (43.66)

0.261

33/101 (32.67)

41/102 (40.19)

62/147 (42.18)

5.636

The cleavage rate (%)

305/319 (95.61)

320/326 (98.16)

81/85 (95.29)

5.218

109/112 (97.32)

112/115 (97.39)

176/179 (98.32)

5.012

Clinical pregnancy rate (%)

12 (60.00)

9 (50.00)

4 (50.00)

0.856

6 (66.6)

5 (41.67)

7 (46.67)

1.803

  1. The data in the table is represented by example or example (%). According to DFI levels, IVF group was subdivided into IVF-I group (DFI ≤ 15%), IVF-II group (15% < DFI < 30%), IVF-III group (DFI ≥ 30%); ICSI group was subdivided into ICSI-I group (DFI ≤ 15%), ICSI-II group (15% < DFI < 30%) and ICSI-III group (DFI ≥ 30%).