From: Decline in seminal quality in Indian men over the last 37 years
Variables | Fertile | Infertile | Total | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n | r | b | p value (tb) | n | r | b | p value (tb) | n | r | b | p value (tb) | |
Semen volume | 53 | 0.12 | 0.012 | 0.408 | 22 | 0.06 | 0.020 | 0.778 | 75 | 0.10 | 0.015 | 0.391 |
Sperm concentration | 112 | −0.17 | −0.635 | 0.071 | 59 | −0.25* | −1.467 | 0.060 | 171 | −0.25*** | −1.270 | < 0.001 |
Total motility | 89 | 0.10 | 0.133 | 0.371 | 44 | −0.30* | −1.112 | 0.046 | 133 | −0.14 | −0.350 | 0.103 |
RLPM | 30 | −0.23 | −0.570 | 0.232 | 21 | −0.40 | −1.191 | 0.073 | 51 | −0.26 | −0.903 | 0.066 |
Normal morphology | 62 | −0.39** | −1.030 | 0.002 | 35 | −0.29 | −1.181 | 0.090 | 97 | −0.39*** | −1.272 | < 0.001 |
Viability | 30 | 0.00 | 0.003 | 0.989 | 14 | −0.35 | −0.672 | 0.213 | 44 | −0.14 | −0.282 | 0.362 |