Table 3.
Correlations between maximal average penile rigidity at the tip and base of the penis and serum sexual hormones
| Variables | MAPR at tip (%) | MAPR at base (%) |
|---|---|---|
| TT (ng ml−1) | r=0.068, P=0.420 | r=0.088, P=0.292 |
| CFT (pmol l−1) | r=0.050, P=0.573 | r=0.091, P=0.306 |
| BAT (ng ml−1) | r=0.041, P=0.684 | r=0.066, P=0.462 |
| E2 (pg ml−1) | r=−0.272, P=0.001# | r=−0.239, P=0.004# |
| E2/TT (pg ng−1) | r=−0.331, P=0.000# | r=−0.317, P=0.000# |
| PRL (ng ml−1) | r=0.006, P=0.985 | r=0.005, P=0.967 |
| LH (mIU ml−1) | r=0.067, P=0.428 | r=0.042, P=0.614 |
| FSH (mIU ml−1) | r=0.181, P=0.086 | r=0.205, P=0.074 |
#P<0.01. TT: total testosterone; CFT: calculated free testosterone; BAT: bioactive testosterone; E2: estradiol; E2/TT: estradiol to total testosterone ratio; PRL: prolactin; LH: luteinizing hormone; FSH: follicle-stimulating hormone; MAPR: maximal average penile rigidity