Boolell et al used the Erection Hardness Grading Scale (EHGS) to determine the effectiveness of sildenafil in males with erectile dysfunction. The authors are from Southmead Hospital in Bristol, England.
Parameters:
(1) size of penis
(2) rigidity (hardness)
(3) sexual intercourse
(4) full erection
Increase in Size
Rigidity
Sexual Intercourse
Full Erection
Grade
none
none
unable
absent
0
present
none
unable
absent
1
present
slight
unable
absent
2
present
moderate
able
absent
3
present
maximum
able
present
4
To read more or access our algorithms and calculators, please log in or register.
