From: Decline in seminal quality in Indian men over the last 37 years
Variables | Fertile | Infertile | Total | p value (Fertile vs. Infertile) | |||
---|---|---|---|---|---|---|---|
n | Mean ± SD, Range Median | n | Mean ± SD, Range Median | n | Mean ± SD, Range Median | ||
Semen volume (ml) | 53 | 2.88 ± 0.77 (1.16–4.70) 2.90 | 22 | 3.07 ± 1.27 (1.50–7.60) 2.81 | 75 | 2.94 ± 0.94 (1.16–7.60) 2.85 | 0.431 |
Sperm concentration (million/ml) | 112 | 81.08 ± 29.21 (22.00–175.00) 76.23 | 59 | 37.94 ± 26.41 (1.60–113.50) 32.16 | 171 | 66.20 ± 34.90 (1.60–175.00) 68.00 | < 0.001 |
Total motility (%) | 89 | 66.37 ± 10.95 (36.70–90.00) 66.80 | 44 | 40.22 ± 13.76 (7.50–82.66) 39.85 | 133 | 57.71 ± 17.15 (7.50–90.00) 58.60 | < 0.001 |
Rapid linear progressive motility (%) | 30 | 52.64 ± 15.78 (9.27–74.10) 57.02 | 21 | 26.79 ± 15.47 (1.40–51.14) 32.00 | 51 | 42.00 ± 20.13 (1.40–74.10) 41.20 | < 0.001 |
Normal morphology (%) | 62 | 56.68 ± 20.23 (17.00–98.00) 53.13 | 35 | 36.41 ± 21.66 (4.69–97.50) 30.81 | 97 | 49.37 ± 22.85 (4.69–98.00) 49.90 | < 0.001 |
Viability (%) | 30 | 72.63 ± 8.31 (54.90–90.81) 73.25 | 14 | 55.25 ± 11.99 (31.00–81.33) 55.33 | 44 | 67.10 ± 12.54 (31.00–90.81) 67.98 | < 0.001 |