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Table 4 The comparison of semen parameter values (intact cells) in group A, group B, group C and the control

From: Semen parameters are seriously affected in acephalic spermatozoa syndrome

Groups

Control group

Group A

Group B

Group C

n

413

249

71

71

Sperm concentration (millions /ml)

87.3(53.3–138.6)

108.9(68.3–168.6) a

45.1(31.8–61.1) ab

13.9(7.1–30.8) abc

Total sperm count (millions/ejaculate)

296.6(178.1–439.5)

368.7(200–525.6) a

159.5(106.7–220.7) ab

49.7(20.3–90.5) abc

Sperm vitality (%)

79(72.0–84.0)

77(71.0–82.0) a

77(68.0–81.0) a

73(67.0–79.0) ab

Normal sperm morphology (%)

4.9(3.0–6.9)

4(2.5–6.4) a

3.5(2.5–5.0) a

2.5(1.0–4.0) abc

Progressive motility (%)

59(45–68)

53(40.8–62.3) a

45(36.5–55.0) ab

38.5(27.0–52.5) ab

VCL (μm/sec)

38.2(28.5–47.3)

37.5(28.3–47.1)

32.2(23.2–40.4) ab

24.8(15.9–38.8) abc

VAP (μm/sec)

27.6(20.4–33.9)

27.2(20.4–34.7)

22.8(16.5–30.2) ab

17.5(11.5–26.8) abc

ALH (μm/sec)

3.3(2.5–4.2)

3.4(2.6–4.2)

2.9(2.1–3.5) ab

2.2(1.49–3.1) abc

BCF (Hz)

10.6(8.5–12.5)

10.6(8.5–12.5)

8.7(7.3–11.2) ab

7.0(5.3–10.4) abc

  1. n = the number of samples. Data are presented as the median (25th percentile, 75th percentile). group A: 0 < PHS ≤ 10%, group B: 10 < PHS ≤ 20%, group C: PHS > 20%. Comparisons among group A, group B, group C and the control group were determined by the nonparametric Mann–Whitney test. a indicates a significant difference compared with the control group. b indicates a significant difference compared with Group A. c indicates a significant difference compared with Group B