Table 2 Different centile values for semen parameters in fertile men
From: Decline in seminal quality in Indian men over the last 37 years
Variables | N* | 2.5 | 5 | 10 | 25 | 50 | 75 | 90 | 95 | 97.5 |
|---|---|---|---|---|---|---|---|---|---|---|
Semen volume (ml) | 2824 | 1.27 | 1.61 | 2.00 | 2.38 | 2.90 | 3.26 | 3.90 | 4.46 | 4.65 |
Sperm concentration (million/ml) | 6103 | 33.61 | 39.45 | 48.69 | 60.48 | 76.23 | 90.03 | 129.29 | 137.18 | 159.56 |
Total motility (%) | 5343 | 46.75 | 49.15 | 53.84 | 57.00 | 66.80 | 74.03 | 80.60 | 85.51 | 88.90 |
Rapid linear progressive motility (%) | 1584 | 9.27 | 20.20 | 29.36 | 41.66 | 57.02 | 66.24 | 69.07 | 73.33 | – |
Normal morphology (%) | 3730 | 19.79 | 22.11 | 32.07 | 39.81 | 53.13 | 71.81 | 87.37 | 91.86 | 95.13 |
Viability (%) | 2636 | 54.90 | 57.60 | 62.34 | 65.50 | 73.25 | 79.12 | 83.68 | 88.82 | – |