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Table 1 Comparison of standard semen parameters between controls and patients according to WHO (2010)

From: Efficacy of density gradient centrifugation technique (DGC) in enhancing sperm cell DNA quality for assisted reproductive technique

Sperm parameters

Controls (n = 30)

Patients (n = 40)

p value

Volume (ml)

3.75 ± 1.24

3.49 ± 1.97

0.71

pH

7.82 ± 0.24

7.65 ± 0.14

0.15

Sperm count (× 106/ml)

181 ± 1.14

159.70 ± 8.31

0.20

Progressive motility (a+b) (%)

36 ± 6.51

25.18 ± 11.50

< 0.001*

Abnormal forms (%)

70.02 ± 2.37

90.26 ±5.45

< 0.001*

Sperm vitality (%)

81.94 ± 11.13

77.22 ± 12.23

0. 37

  1. Sperm parameters are expressed as mean ± standard deviation
  2. a, rapid progressive; b, slow progressive
  3. *Highly significant difference (p < 0.001)