Table 2 Distribution of semen parameters for the participants (n = 1554)
From: Association between ambient particulate matter exposure and semen quality in fertile men
Semen parametera | Mean (SD) | Percentile | ||||
|---|---|---|---|---|---|---|
10th | 25th | 50th | 75th | 90th | ||
Semen volume (ml) | 2.7 (1.3) | 1.0 | 2.0 | 2.0 | 3.0 | 5.0 |
Sperm concentration (106/ml) | 62.0 (32.0) | 23.3 | 37.1 | 58.3 | 84.4 | 108.0 |
Total sperm number (106) | 172.2 (129.9) | 39.6 | 79.2 | 142.6 | 231.3 | 341.7 |
Total motility (%) | 55.2 (19.3) | 28.5 | 42.0 | 56.2 | 69.3 | 80.0 |
Progressive motility (%) | 43.8 (16.9) | 21.9 | 31.8 | 44.1 | 55.9 | 65.4 |
VCL (μm/s) | 47.7 (8.9) | 37.3 | 42.1 | 47.2 | 53.3 | 59.2 |
VSL (μm/s) | 29.8 (6.1) | 23.0 | 25.8 | 29.6 | 33.6 | 37.6 |
VAP (μm/s) | 33.5 (6.2) | 26.4 | 29.4 | 33.4 | 37.5 | 41.3 |
BCF (Hz) | 5.1 (0.7) | 4.3 | 4.6 | 5.1 | 5.5 | 6.0 |
ALH (μm/s) | 3.6 (1.1) | 2.4 | 2.9 | 3.6 | 4.3 | 4.9 |
LIN (%) | 61.3 (7.5) | 52.1 | 56.2 | 61.2 | 66.4 | 70.8 |
STR (%) | 85.2 (4.1) | 80.2 | 83.0 | 85.6 | 88.0 | 89.8 |
WOB (%) | 70.3 (6.4) | 62.6 | 65.7 | 70.2 | 74.6 | 78.3 |
MAD (°) | 56.6 (7.9) | 46.8 | 52.0 | 57.2 | 62.1 | 65.9 |