Variable

Unit

Semen volume (ml.)

Liquefaction time (mins.)

All

Sperm conc.

≥15 × 10⁶/ml

Sperm conc.

0 × 10⁶/ml

All

Sperm conc.

≥15 × 10⁶/ml

Sperm conc.

0 × 10⁶/ml

Mean

±sd

Range

Mean

±sd

Range

Mean

±sd

Range

Mean

±sd

Range

Mean

±sd

Range

Mean

±sd

Range

All

n = 562

2.30

1.59

0.2 - 16

2.33

1.57

0.2 - 16

2.17

1.63

0.3 - 10

30.72

8.79

20 - 75

30.84

8.83

20 - 75

30.23

8.67

20 - 75

t

0.93

0.66

P-value

0.18

0.26

Age group

<30

4.75

4.10

1.5 - 10.0

3.88

4.09

1.5 - 10

6.50

4.95

3 - 10

28.33

4.08

20 - 30

30.0

0.0

30 - 30

25.0

7.07

20 - 30

30 - 39.9

2.32

1.31

0.4 - 7.0

2.43*

1.39

0.4 - 7.0

1.90*

0.78

0.5 - 3.0

30.16

8.71

20 - 75

30.6^!!

9.3

20 - 75

28.33^!!

5.42

20 - 45

40 - 49.9

2.31

1.43

0.2 - 10.0

2.24

1.32

0.2 - 10

2.66

1.86

0.3 - 10

30.48

7.60

20 - 75

30.29

7.01

20 - 75

31.38

9.98

20 - 75

50 - 59.9

2.15

2.19

0.3 - 16.0

2.43^!

2.38

0.3 - 16

1.16^!

0.62

0.4 - 2.0

32.50

11.45

20 - 75

32.65

11.64

20 - 75

31.94

11.00

20 - 75

≥60

1.4

0.82

0.5 - 2.5

1.47

0.79

0.5 - 2.5

1.33

1.04

0.5 - 2.5

35.00

15.00

30 - 75

37.5

18.37

30 - 75

30.0

0.0

30 - 30

BMI group

18.5 - 24.9

2.28

1.57

0.3 - 10.0

2.34

1.58

0.3 - 10

1.89

1.42

0.3 - 7

31.40

9.30

0.3 - 10

31.82

9.85

20 - 75

28.70

3.44

20 - 30

25.0 - 29.9

2.39

1.68

0.2 - 16.0

2.43

1.69

0.2 - 16

2.24

1.68

0.3 - 10

30.82

8.46

20 - 75

30.64

7.79

20 - 75

31.50

10.71

20 - 75

≥30

2.08

1.28

0.3 - 10

2.01

1.08

0.3 - 5

2.27

1.73

1.0 - 10

29.23

8.79

20 - 75

29.44

9.66

20 - 75

28.65

5.93

20 - 45

Comparing BMI 18.5 - 24.9 with Azoospermia and BMI 18.5 - 24.9 with normal sperm concentration

t

2.90

5.49

P-value

0.002

0.000001

Comparing BMI 25.0 - 29.9 with Azoospermia and BMI 25.0 - 29.9 with normal sperm concentration

t

0.82

−0.79

P-value

0.21

0.22

Comparing BMI ≥ 30 with Azoospermia with BMI ≥ 30 with normal sperm concentration

t

−1.50

1.09

P-value

0.07

0.14