Table 1 Characteristics of included studies addressing the correlation between sperm DNA fragmentation and fertility parameters
Author & year | Assay | Design | Number of animals | COR | Species | Fertility measure |
|---|---|---|---|---|---|---|
Narud et al. [9] | SCSA | Retrospective | 37 | −0.57 | Bull | NRR56 |
Zoca et al. [31] | SCSA | Prospective | 5 | −0.41 | Bull | PR30-90d |
Dogan et al. [29] | TUNEL | Retrospective | 10 | −0.02 | Bull | CR |
Zahan et al. [50] | Halomax | Retrospective | 10 | 0.53 | Bull | NRR |
Dogan et al. [51] | Halomax | Retrospective | 20 | −0.69 | Bull | CR |
Anzar et al. [52] | TUNEL | Retrospective | 5 | −0.90 | Bull | NRR56 |
Ballachey et al. [53] | SCSA | Retrospective | 49 | −0.40 | Bull | NRR |
|  | SCSA | Retrospective | 18 | −0.53 | Bull | NRR59 |
Bollwein et al. [54] | SCSA | Prospective | 20 | −0.58 | Bull | NRR56 |
Erickson et al. [55] | TUNEL | Retrospective | 43 | −0.62 | Bull | NNR56 |
Gliozzi et al. [56] | SCSA | Retrospective | 18 | −0.17 | Bull | NRR |
Garcia-Macias et al. [57] | Halomax | Retrospective | 60 | −0.42 | Bull | NRR96 |
SCSA | Retrospective | 60 | −0.29 | Bull |  | |
Januskaukas et al. [58] | SCSA | Retrospective | 20 | −0.53 | Bull | NRR56 |
Januskaukas et al. [59] | SCSA | Retrospective | 18 | −0.51 | Bull | NRR56 |
Ballachey et al. [60] | SCSA | Prospective | 9 | −0.94 | Bull | CR |
Karoui et al. [61] | Halomax | Retrospective | 201 | −0.45, −0.49 | Bull | CR |
Morrel et al. [17] | SCSA | Retrospective | 31 | −0.56 | Bull | NRR56 |
Nagy et al. [62] | SCSA | Retrospective | 43 | −0.05 | Bull | NRR |
Kumaresan et al. [1] | SCSA | Retrospective | 20 | −0.61 | Bull | NRR56 |
Pardede et al. [63] | AO | Retrospective | 9 | −0.78, −0.73, −0.83 | Bull | CR |
Halomax | Retrospective | 9 | −0.69, −0.67, −0.77 | Bull |  | |
Love and Kenney [26] | SCSA | Retrospective | 84 | −0.27, −0.42, −0.41 | Stallion | SPR, FCP, PC14-40d |
Al-Kass et al. [2] | SCSA | Prospective | 12 | −0.35 | Stallion | SPR |
Morrel et al. [8] | SCSA | Retrospective | 11 | −0.63 | Stallion | SPR |
Atroshchenko et al. [64] | Halomax | Prospective | 17 | −0.94 | Stallion | PR14-18d |
Crespo et al. [65] | SCD | Prospective | 11 | −0.62 | Stallion | PC15d |
Kenney et al. [66] | SCSA | Retrospective | 51 | −0.40 | Stallion | SPR |
Estrada et al. [67] | SCD | Prospective | 12 | −0.16, −0.39 | Boar | PR30d |
Batista et al. [68] | Halomax | Prospective | 5 | 0.38 | Boar | FR |
Ausejo et al. [10] | TUNEL | Retrospective | 58 | −0.06, −0.09, 0.02 | Boar | DBE |
Didion et al. [12] | SCSA | Retrospective | 18 | −0.55 | Boar | FR |
Tsakmakidis et al. [69] | AO | Prospective | 7 | −0.90 | Boar | FR |