Table 1 Study characteristics (included studies)
From: Correlation of sperm DNA damage with blastocyst formation: systematic review and meta-analysis
S. No | Author year | Type of study | ART treatment | No. of cycles | DNA fragmentation assay | Low and high DFI threshold cutoff |
|---|---|---|---|---|---|---|
1 | Borges et al., [5] | Prospective | ICSI | 475 cycles Low DFI n = 42 High DFI n = 433 | SCD | DFI < 30% & DFI > 30% |
2 | Ni et al. [34] | Prospective | IVF/ICSI-FET | 1082 cycles Low DFI n = 910 High DFI: n = 172 | SCD | DFI < 30% & DFI > 30% |
3 | Zheng et al., [56] | Retrospective | IVF/ICSI | 161 cycles Low DFI n = 68 High DFI n = 93 | SCD | DFI < 10% & DFI > 10% |
4 | Garcia-Ferreyra et al., [16] | Retrospective | IVF/ICSIOD | 32 cycles Low DFI = 05 High DFI =  27 | SCD | DFI < 17% & DFI > 17% |
5 | Speyer et al., [48] | Prospective | IVF/ICSI | 347 cycles Low DFI n = 297 High DFI n = 50 | SCSA | DFI < 20% & DFI > 20% |
6 | Gat et al., [17] | Retrospective | ICSI-FET | 177 cycles Low DFI n  = 141 High DFI n = 36 | SCSA | DFI > 30%- high DFI < 15%- low |
7 | Gat et al. [17] | Retrospective | ICSI-OD-FET | 45 cycles Low DFI n = 18 High DFI n = 27 | SCSA | DFI < 15% & DFI > 15% |
8 | Benchaib et al., [4] | Prospective | IVF/ICSI-OD | 322 cycles of ICSI + IVF Low DFI n = 87 High DFI = 235 | TUNEL | DFI < 30% & DFI > 30% |
9 | Seli et al., [44] | Prospective | IVF/ICSI | 49 cycles Low DFI n = 28 High DFI = 21 | TUNEL | DFI < 20% & DFI > 20% |
10 | Sedo et al., [43] | Retrospective | IVF/ICSI/OD | 82 cycles Low DFI n = 54 High DFI = 28 | TUNEL | DFI < 15% & DFI > 15% |