年龄(岁)

n

精液体积(ml)

精子浓度(× 10⁶/ml)

(a + b)%

精子总数(个)

≤30

7246

2.67 ± 1.46

2.40 (1.80~3.40)

37.48 ± 22.31

34.00 (21.00~52.00)

39.41 ± 12.96

39.00 (30.00~52.00)

101.82 ± 87.25

81.80 (39.6~140.80)

31~40

1923

2.75 ± 1.54

2.40 (1.80~3.60)

41.77 ± 24.33

37.00 (24.00~60.00)

39.07 ± 13.36

39.00 (29.00~52.00)

115.86 ± 94.46

95.20 (48.00~160.00)

41~45

306

2.65 ± 1.48

2.40 (1.80~3.40)

37.87 ± 23.27

34.50 (20.00~52.00)

36.58 ± 14.24

36.00 (25.75~50.25)

105.24 ± 106.88

80.00 (37.70~149.70)

P

0.299

<0.05

<0.05

<0.05