Table 1 The mean, standard deviation and range of the investigated parameters in 1 010 subfertile men

Age (years)

1010

28.89 (4.60)

18-50

DFI (%)

1010

18.61 (12.46)

1.61-85.78

BMI (kg/m²)

1010

23.98 (3.08)

17.36-41.03

WC (cm)

1010

82.14 (9.27)

60-131

WHR

1010

0.86 (0.06)

0.70-1.13

WHtR

1010

0.47 (0.05)

0.34-0.74

Abstinence time (day)

1010

4.28 (1.72)

1-20

Semen volume (ml)

978

3.79 (1.42)

1.1-12

Sperm concentration (10⁶/ml)

978

60.78 (51.97)

0.67-340.44

Total sperm count (10⁶/ejaculate)

978

220.95 (199.10)

1.35-1364.86

Progressive motility (%)

978

32.29 (12.93)

0.91-81.60

Sperm motility (%)

978

45.37 (19.22)

1.51-98.89

Normal sperm morphology (%)

978

4.52 (2.01)

0.41-17.56

TNPMS (10⁶/ejaculate)

978

3.81 (5.00)

0.01-45.20

Abnormal head (%)

978

67.84 (7.86)

11.10-95.15

Intact acrosome (%)

978

57.00 (10.61)

8.18-83.11

Acrosomal enzyme activity (IU/10⁶ sperm)

978

48.46 (15.69)

15.13-127.65

Seminal plasma total α-glucotase (U/ml)

959

416.93 (191.90)

48.66-1019.84

Seminal plasma GGT (U/ml)

959

2436.08 (836.43)

17.62-4477.56

Seminal plasma fructose (mmol/L)

959

14.24 (7.18)

3.48-53.83

Seminal plasma zinc (mmol/L)

959

2.62 (1.16)

0.14-7.62

Serum TG (mmol/L)

974

1.65 (1.48)

0.05-23.34

Serum TC (mmol/L)

974

4.39 (0.93)

0.54-12.19

Serum LDL (mmol/L)

974

2.59 (0.73)

0.02-5.77

Serum HDL (mmol/L)

974

1.22 (0.26)

0.67-3.04

Serum LH (IU/L)

954

4.25 (2.13)

0.98-25.45

Serum FSH (IU/L)

954

4.84 (2.55)

1.14-26.43

Serum testosterone (nmol/L)

954

13.14 (4.06)

1.80-30.41

Serum estradiol (pmol/L)

954

108.74 (48.63)

3.0-331.0

Serum SHBG (nmol/L)

954

26.02 (10.92)

5.7-70.7

Seminal plasma TG (mmol/L)

887

0.14 (0.11)

0.01-0.90

Seminal plasma TC (mmol/L)

887

0.85 (0.51)

0.01-3.11

Seminal plasma LDL (mmol/L)

887

0.66 (0.34)

0.01-2.70

Seminal plasma HDL (mmol/L)

887

0.32 (0.21)

0.01-1.64

Seminal plasma FSH (IU/L)

396

0.29 (0.26)

0.10-2.13

Seminal plasma testosterone (nmol/L)

396

4.44 (2.15)

1.18-14.57

Seminal plasma estradiol (pmol/L)

396

276.17 (90.61)

62.06-505.73