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Table 2 Regression analysis between DFI and other DNA integrity parameters. Data (n = 18) related to boar sperm DNA integrity parameters and DFI, at the day of semen collection (Day 0) and upon liquid preservation at 18 °C for 96–108 h (Day 4) were merged together for correlation analysis

From: DNA methylation patterns vary in boar sperm cells with different levels of DNA fragmentation

 

DFI vs. Free thiols

DFI vs. Total thiols

DFI vs. Disulphide bonds

DFI vs. Protamine deficiency

Multiple R2

0.1609

0.0172

0.1295

0.0270

p-value

0.0228 *

0.4735

0.0430 *

0.3685

  1. * indicates significant correlation p < 0.05, using multiple linear regression model. DFI; DNA fragmentation index