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Table 3 Sperm-quality parameters in the highest quartile of dietary GL compared to the lowest quartile

From: Relationship between dietary glycemic index and glycemic load and sperm-quality parameters in Iranian men: a cross-sectional study

Variables

Quartiles

Number

Means ± SDs

p value†

Progressive motility, %

1

2

3

4

95

95

96

95

69.03 ± 14

60.3 ± 25.4

47.1 ± 10.4

37.7 ± 6.4

< 0.001

Nonprogressive motility,%

1

2

3

4

95

95

96

95

24.4 ± 5.06

26.7 ± 8.5

33.5 ± 10.2

38.9 ± 10.2

< 0.001

Immotile, %

1

2

3

4

95

95

96

95

7.7 ± 5.01

11.3 ± 9

17.7 ± 8.9

25.2 ± 6.3

< 0.001

Count, mill/ml

1

2

3

4

95

95

96

95

38 ± 19.9

26.1 ± 18.6

20.8 ± 10.9

22 ± 10.8

< 0.001

Normal morphology, %

1

2

3

4

87

91

95

95

6.6 ± 1.9

6.2 ± 2.1

4.8 ± 1.9

3.8 ± 1.2

< 0.001

Vitality, %

1

2

3

4

89

88

94

95

27.5 ± 14.4

39.8 ± 26.4

62.1 ± 29.3

81.3 ± 9.6

< 0.001

DFI, %

1

2

3

4

95

95

96

95

13.5 ± 3.06

15.8 ± 6.2

20.6 ± 7.4

23.4 ± 8.07

< 0.001

SCMA, %

1

2

3

4

95

95

96

95

25.7 ± 7.4

24.7 ± 9.4

21.5 ± 10.4

15.4 ± 5.5

< 0.001

  1. †Analyzed by one−way ANOVA among different quartiles. DFI: DNA fragmentation index, SCMA: sperm chromatin maturation assay