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Table 3 TUNEL, DFI, HDS and AGE after grouping into age classes

From: Could high DNA stainability (HDS) be a valuable indicator of sperm nuclear integrity?

AGE Class Mean SD N
AGE
 21➔30 28.20 2.23 51
 31➔40 35.62 2.73 214
 41➔50 43.67 2.49 79
51➔65 54.62 4.41 8
TUNEL
 21➔30 8.39 3.85 44
 31➔40 9.26 4.52 195
 41➔50 9.18 5.06 73
 ANOVA p = 0.51
DFI
 21➔30 14.67 5.64 49
 31➔40 16.25* 6.09 207
 41➔50 16.22* 6.02 76
 ANOVA p = 0.24
 *Student t: p < 0.05
HDS
 21➔30 11.53 4.07 49
 31➔40 11.49 3.91 206
 41➔50 11.90 4.32 76
 ANOVA p = 0.74